MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Transcription

1 Name MAT 0002 Sectioin. (Ratios and rates) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Write the ratio as a ratio of whole numbers using fractional notation. Write the fraction in simplest form. ) 24 to ) ) 6.4 to 0 2) ).2 to.6 ) ) 6 quarts to 40 quarts 4) 40 quarts 40 quarts ) 2 miles to 64 miles ) 4 miles 4 miles 6 6 6) $99 to $0 6) 99 $ 99 $ ) 42,000 copies to 4,000 copies ) 4 ) 2 to 2 ) ) tons to 2 tons 9) Find the ratio described as a fraction in simplest form. 0) Use the graph below to find the ratio of Work miles to total miles. 0)

2 ) Find the ratio of the width to the length of the rectangular swimming pool sketched below. ) width =. yards 9 length = 9. yards 9 4 yards 9 4 yards 2) Find the ratio of the width to the perimeter of the rectangular swimming pool sketched below. 2) width = yards length = 2 yards ) Find the ratio of the longest side to the perimeter of the right triangle. 4 m ) m 2 m ) Find the ratio of the shortest side to the perimeter of the right triangle. m 4) m m 40 ) According to an organization's membership list, it has 2400 members who have cable TV and 400 members who don't have cable. What is the ratio of members who don't have cable to the total number of members? ) 6) According to an organization's membership list, it has 000 members who have children and 600 members who are childless. What is the ratio of members who have children to members who are childless? ) ) Residents in a small town eat an average hamburgers per month at neighborhood barbecues. Residents of a large city eat an average 2 hamburgers per month at neighborhood barbecues. Find the ratio of the number of hamburgers eaten by small town residents to the amount eaten by large city residents. ) ) In a large triathlon, males and 4 females finished the race. Find the ratio of female finishers to male finishers ) 2

3 9) In a region consisting of 0 school districts, a total of districts have 200 or more computers available for student use. Find the ratio of districts with 200 or more computers to districts with fewer than 200 computers ) 20) A grocer will refuse a shipment of apples if the ratio of bruised apples to the total batch is at least to. A sample is found to contain bruised apples and 6 good apples. Determine whether the shipment should be refused. Yes, the shipment should be refused. No, the shipment should not be refused. 20) Write the rate as a fraction in simplest form. 2) 0 miles in minutes 2) miles mile 0 miles miles minute minutes minutes minutes 22) 40 yards in 0 seconds 22) 9 yards 9 seconds 4 yards 40 yards second yard seconds 0 seconds 2) miles in 24 hours 2) 2 miles 2 miles miles miles hours 24 hours hours 24 hours 24) 9 cars for 6 people 24) 9 cars cars car 9 cars 6 people person people people 2) tests for 4 students 2) 2 tests test 2 tests tests students 2 students student 4 students 26) 2 printers for 66 computers 26) 66 printers 2 printers 6 printers 2 printers 2 computers 6 computers 66 computers computers 2) 2 miles on 2 gallons 2) 4 miles 4 miles miles 2 miles 2 gallons gallons gallons gallons 2) 0 hours for 2 projects 2) hours hours 2 hours 0 hours 2 projects projects projects projects 29) 20 employees for 2 companies 29) 2 employees 46 employees companies 2 companies 46 employees companies 20 employees companies 0) calories in a 2-ounce slice of quiche 0) 2 cal 4 cal 2 oz cal 4 oz 2 oz cal 2 oz Write the rate as a unit rate. ) 94 miles in 9 hours ) 60 miles/hour 46 miles 66 miles 66 miles/hour 2) 40 miles on 20 gallons of gas 2) 2 miles/gallon 0,00 miles 0.0 miles/gallon 60 gallons

4 ) 6 cents for marbles ) 2 cents/marble 0. cents/marble cents/marble 9 marbles 4) $0 earned in weeks 4) $90.00/week $442.0/week $29.00/week $0.00/week ) 242 cars in 0 households ) car/household 22 cars/household.4 cars/household 2 cars/household 6) 0 people in 0 buses 6) 0.04 person/bus 6 people/bus 2 people/bus 2. people/bus ) A concert tour grossed $90,000 for shows. ) $9000/concert $90,000/ concerts $,000/concert $00/concert ) An animal can move at 20 feet per minute. Write this rate in feet per second. ) 9,200 ft/sec ft/sec 2 ft/sec 22 ft/sec 0 9) Paul Saltwood can paint 9 doors in hours, while Scott Kepler can paint 4 doors in 4 hours. Who can paint doors faster, Paul or Scott? Paul Scott 9) 40) In a region, the total number of students enrolled in public schools in a recent year was 44,2. At the same time, there were 2,99 public school teachers. Write a unit rate in students per teacher. Round to the nearest whole student. 20 students/teacher students/teacher 2 students/teacher 9 students/teacher 40) 4) A state in the United States has 64,24 residents living in 2 counties. 4) residents/county 4 residents/county 4 counties/resident 4 counties/resident 4 42) An extreme bicyclist pedaled 92 miles on a 24 day trip. Write this rate in miles per day. 42) miles/day miles/day 92 miles/day 24 miles/day 4) A large charity organization receives $,464,000 in annual donations to fund the programs it sponsors. $20/program $00/program $4,640/program $2,000/program 4) Fill in the table to calculate miles per gallon. 44) Beginning Odometer Reading Ending Odometer Reading Miles Driven Gallons of Gas Used,26,02. Miles Per Gallon (round to the nearest tenth) 44) miles driven: 46; miles per gallon: 0,20.2 miles driven: 0,0; miles per gallon: 29.2 miles driven: 0,0; miles per gallon: 2 miles driven: 46; miles per gallon: 29.2 Find the unit price. 4) $.00 for 4 compact discs 4) $9.0/compact disc $0.0/compact disc $9.00/compact disc $9.0/compact disc 4

5 46) $4. for 9 oranges 46) $.9 per orange $42.9 per orange $0. per orange $4. per orange 4) cucumbers for $.2 4) $.2 per cucumber $ per cucumber $.0 per cucumber $0.9 per cucumber 4) 9 sweaters for $42.2 4) $0.02 per sweater $42.2 per sweater $9 per sweater $4.2 per sweater 49) Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three 49) Popcorn: $.04 for ounces $2.04 for 2 ounces $2.04 for 2 ounces $.04 for ounces Both cost the same per ounce. 0) Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three 0) Cream Rinse: $.6 for 4 ounces $.00 for 2 ounces $.00 for 2 ounces $.6 for 4 ounces Both cost the same per ounce. ) Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three ) Frozen orange juice: $.0 for 6 ounces $2. for 2 ounces $2. for 2 ounces $.0 for 6 ounces Both cost the same per ounce.