Quiz- ratio and unit rate and div fractions
- 1. I have 10 blue pens and 80 red pens, what is the ratio of red to blue pens? (simplify answer)
A) 1:8
B) 10:80
C) 8:1
D) 80:10
- 2. Karen picked 8 tomatoes from her 12 tomato plants, what is the ratio of plants to picked tomatoes? (simplify answer)
A) 3:2
B) 8:12
C) 12:8
D) 2:3
- 3. There are 16 girls and 12 boys in the class, what is the ratio of boys to total kids? (simplify ratios)
A) 4:3
B) 3:4
C) 7:3
D) 3:7
- 4. A fruit basket has 10 apples and 8 oranges in it. What is the ratio of apples to total fruit? (simplify answer)
A) 10:8
B) 5:9
C) 10:18
D) 9:5
E) 5:4
- 5. I run 6 mph and I run for 2 hours, how many miles did I run?
A) 18
B) 14
C) 12
D) 24
E) 6
- 6. I buy 24 cans of coke for $13.44, How much did each can of coke cost?
A) 322.56
B) .58
C) .56
D) .62
E) not enough information
- 7. How long will it take Mike to bike 32 miles if he can bike at 8 mph?
A) 2
B) 6
C) 8
D) 4
E) 12
- 8. Sally drives 2 hours to the train station at a rate of 50 mph, and then rides the train for 3 hours. The train goes 65 mph. How many total miles did she travel?
A) 295
B) 395
C) 230
D) 115
E) 335
- 9. Sam types 600 words in 8 min, how many words can he type in 1 minute?
A) 75
B) 50
C) 95
D) 115
E) 608
- 10. I drive from Raleigh to Wilmington in 2 hrs. It is 120 miles away. How fast did I drive, on average?
A) 55 mph
B) 62 mph
C) 60 mph
D) 70 mph
E) 65 mph
- 11. I pay $450 for 25 tools. What is the unit rate for each tool?
A) 14
B) 20
C) 25
D) 22
E) 18
- 12. Ratios are a _________ of two things
A) multiply
B) plural
C) difference
D) comparison
E) divide
- 13. Joe has some apples and oranges. The ratio of apples to oranges is 3:1. If he has 9 oranges, then how many apples does he have?
A) 9
B) 12
C) 15
D) 3
E) 27
- 16. What is the answer to your Thursday night homework to question number 5?
A) 7 hours
B) 56 hours
C) 343 hours
D) 8 hours
- 17. What is the unit rate for each hot dog for Hot Dog Hut in problem number 8?
A) $1.50 per hot dog
B) $1 per hot dog
C) $.50 per hot dog
D) $2 per hot dog
A) 3y/2
B) 3/2y
C) 3yx/2
D) 3x/2
A) 1/4xy
B) 1/4x2y
C) 1/4x
D) 5/4xy
A) 3x+7
B) 15x
C) 3x+12
D) 3x+4
- 24. There are 84 people in a room. Each person has $2.23. how much total money is there?
A) $187.32
B) $85.22
C) $18.73
D) $14.64
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