Math 081 Worksheet Section 5.2 v02 Spring 2011 Dressler. Name. 20) 96 miles on 10 gallons

Transcription

1 Math 081 Worksheet Section 5.2 v02 Spring 2011 Dressler Name 20) 96 miles on 10 gallons Write the rate as a fraction in simplest form. 1) 74 miles in 37 minutes 2) 135 miles in 27 minutes 3) 60 miles in 12 minutes 4) 135 yards in 27 seconds 5) 423 yards in 47 seconds 6) 60 yards in 10 seconds 7) 1160 miles in 56 hours 8) 300 miles in 16 hours 9) 402 miles in 27 hours 10) 8 cars for 48 people 11) 14 cars for 56 people 12) 5 cars for 35 people 13) 15 tests for 60 students 14) 1s for 33 students 15) 14 tests for 42 students 16) 88 printers for 64 computers 17) 66 printers for 24 computers 18) 42 printers for 39 computers 21) 348 miles on 54 gallons 22) 329 hours for 49 projects 23) 231 hours for 35 projects 24) 165 hours for 6 projects 25) 260 employees for 45 companies 26) 200 employees for 36 companies 27) 220 employees for 25 companies 28) 612 calories in a 2-ounce slice of quiche 29) 948 calories in a 9-ounce sandwich 30) 840 calories in a 2-ounce sandwich 31) 24 miles in 12 minutes 32) 1160 miles in 24 hours 33) 9 cars for 36 people 34) 1s for 55 students 35) 22 printers for 14 computers 36) 68 hours for 6 projects 37) 747 calories in a 3-ounce sausage biscuit 38) 682 calories in a 2-ounce sausage biscuit 19) 171 miles on 6 gallons

2 Write the rate as a unit rate. 39) 162 miles in 6 hours 40) 657 miles in 9 hours 41) 234 miles in 9 hours 42) 38 miles on 2 gallons of gas 43) 390 miles on 10 gallons of gas 44) 560 miles on 20 gallons of gas 45) 16 cents for 4 marbles 46) 15 cents for 3 marbles 47) 12 cents for 3 marbles 48) $600 earned in 4 weeks 49) $4140 earned in 9 weeks 50) $240 earned in 2 weeks 51) 1127 cars in 490 households 52) 775 cars in 250 households 53) 1998 cars in 540 households 54) 477 people in 10 buses 55) 555 people in 50 buses 56) 742 people in 20 buses 57) A concert tour grossed $360,000 for 12 shows. 58) 300 miles on 10 gallons of gas 59) 8 cents for 4 marbles 60) $2700 earned in 3 weeks 61) 1110 cars in 740 households 62) 610 people in 20 buses 63) An animal can move at 1320 meters per hour. Write this rate in meters per minute. 64) An animal can move at 1380 feet per minute. Write this rate in feet per second. 65) An animal can move at 1440 meters per hour. Write this rate in meters per minute. 66) Mickael Saltwood can paint 119 doors in 7 hours, while Richard Kepler can paint 36 doors in 5 hours. Who can paint doors faster, Mickael or Richard? 67) In a region, the total number of students enrolled in public schools in a recent year was 456,155. At the same time, there were 24,153 public school teachers. Write a unit rate in students per teacher. Round to the nearest whole student. 68) A state in the United States has 125,376 residents living in 16 counties. 69) A state in the United States has 174,384 residents living in 24 counties. 70) A state in the United States has 201,940 residents living in 23 counties. 71) An extreme bicyclist pedaled 2448 miles on a 18 day trip. Write this rate in miles per day. 72) An extreme bicyclist pedaled 2502 miles on a 18 day trip. Write this rate in miles per day. 73) A large charity organization receives $ 42,441,900 in annual donations to fund the 69 programs it sponsors. Find the unit price. 74) $44.80 for 4 compact discs 2

3 75) $4.90 for 5 onions 76) $0.90 for 2 oranges 77) $8.46 for 9 pears 78) $6.65 for 7 onions 79) $0.36 for 2 zuchini 80) $4.26 for 6 onions 81) $5.46 for 7 zuchini 82) $2.80 for 5 oranges 83) 5 onions for $ ) 9 onions for $ ) 5 tomatoes for $ ) 7 tomatoes for $ ) 5 skirts for $ ) 5 sweaters for $ ) 9 jackets for $ ) 3 sweaters for $ ) $1.36 for 2 oranges 95) Find which is the better buy (lower cost per Frozen orange juice: $6.70 for 12 ounces $7.70 for 14 ounces 96) Find which is the better buy (lower cost per Cream Rinse: $6.43 for 18 ounces $4.20 for 12 ounces 97) Find which is the better buy (lower cost per Crackers: $2.22 for 12 ounces $2.96 for 16 ounces 98) Find which is the better buy (lower cost per Popcorn: $0.73 for 12 ounces $2.04 for 30 ounces 92) $2.55 for 5 mangos 93) $1.96 for 7 onions 94) 3 skirts for $

4 Answer Key Testname: WS5.2V02 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 14) 15) 16) 17) 18) 19) 20) 21) 22) 2 miles 5 miles 5 miles 5 yards 1 second 9 yards 1 second 6 yards 1 second 145 miles 7 hours 75 miles 4 hours 134 miles 9 hours 6 people 4 people 7 people 4 students 3 students 3 students 11 printers 8 computers 11 printers 4 computers 14 printers 13 computers 57 miles 2 gallons 48 miles 5 gallons 58 miles 9 gallons 47 hours 7 projects

5 Answer Key Testname: WS5.2V02 23) 24) 25) 26) 27) 28) 29) 30) 31) 32) 33) 34) 35) 36) 37) 38) 33 hours 5 projects 55 hours 2 projects 52 employees 9 companies 50 employees 9 companies 44 employees 5 companies 306 cal 316 cal 3 oz 420 cal 2 miles 145 miles 3 hours 4 people 5 students 11 printers 7 computers 34 hours 3 projects 249 cal 341 cal 39) 27 miles/hour 40) 73 miles/hour 41) 26 miles/hour 42) 19 miles/gallon 43) 39 miles/gallon 44) 28 miles/gallon 45) 4 cents/marble 46) 5 cents/marble 47) 4 cents/marble 48) $150.00/week 49) $460.00/week 50) $120.00/week 51) 2.3 cars/household 52) 3.s/household 5

6 Answer Key Testname: WS5.2V02 53) 3.7 cars/household 54) 47.7 people/bus 55) 11.1 people/bus 56) 37.1 people/bus 57) $30,000/concert 58) 30 miles/gallon 59) 2 cents/marble 60) $900.00/week 61) 1.5 cars/household 62) 30.5 people/bus 63) 22 m/min 64) 23 ft/sec 65) 24 m/min 66) Mickael 67) 19 students/teacher 68) 7836 residents/county 69) 7266 residents/county 70) 8780 residents/county 71) 136 miles/day 72) 139 miles/day 73) $615,100/program 74) $11.20/compact disc 75) $0.98 per onion 76) $0.45 per orange 77) $0.94 per pear 78) $0.95 per onion 79) $0.18 per zuchini 80) $0.71 per onion 81) $0.78 per zuchini 82) $0.56 per orange 83) $1.15 per onion 84) $1.05 per onion 85) $1.25 per tomato 86) $1.25 per tomato 87) $48.35 per skirt 88) $50.15 per sweater 89) $48.35 per jacket 90) $45.15 per sweater 91) $0.68 per orange 92) $0.51 per mango 93) $0.28 per onion 94) $50.15 per skirt 95) $7.70 for 14 ounces 96) $4.20 for 12 ounces 97) Both cost the same per ounce. 98) $0.73 for 12 ounces 6