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Free Exam: Comparing & Scaling ratios/proportions/rates

Number of Questions in Test: 6
Number of Questions in Preview: 5
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Question 1

The ratio of boys to girls in a class is 2 to 3. There are 12 boys in the class. How many girls are in the class?

Type: Multiple choice
Points: 1
Randomize answers: No

Question 2

One can of cola costs $1.25 in a vending machine. A 12-pack of the same cola costs $3.49 at the grocery store. How much money do you save by purchasing a dozen cans of cola at the grocery store instead of a dozen at the vending machine?

Type: Multiple choice
Points: 1
Randomize answers: No

Question 3

3. Find the value of x in the proportion:

6/21 = 10/x

Type: Multiple choice
Points: 1
Randomize answers: No

Question 4

The ratio of teachers to students is 1 to 26. What is an equivalent ratio?

Type: Multiple choice
Points: 1
Randomize answers: No

Question 5

5. A recipe for a fruit smoothie drink asks for strawberries and raspberries. The ratio of straw berries to raspberries in the drink is 4 to 12. What percent of the berries are strawberries?

Type: Multiple choice
Points: 1
Randomize answers: No

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