Question 1

What is the general formula for a direct proportion?

Accepted Answer

y = kx

Answer

y = mx + b

Answer

y = ax^2 + bx + c

Answer

y = k/x

Question 2

If 10 oranges cost $5, how much would 20 oranges cost?

Accepted Answer

$10

Answer

$2

Answer

$8

Answer

$15

Question 3

If 5 meters of fabric costs $15, how much would 8 meters of the same fabric cost?

Accepted Answer

$24

Answer

$9

Answer

$32

Answer

$18

Question 4

If it takes 10 minutes to bake a cake at 350 degrees Fahrenheit, how long would it take to bake the same cake at 400 degrees Fahrenheit?

Accepted Answer

8 minutes

Answer

15 minutes

Answer

12 minutes

Answer

6 minutes

Question 5

If 4 books cost $20, how much would 6 books cost?

Accepted Answer

$30

Answer

$15

Answer

$10

Answer

$25

Question 6

If it takes 3 hours to mow a lawn measuring 600 square meters, how long would it take to mow a lawn measuring 800 square meters?

Accepted Answer

4 hours

Answer

2 hours

Answer

6 hours

Answer

5 hours

Question 7

If 6 pens cost $9, how much would 4 pens cost?

Accepted Answer

$6

Answer

$4

Answer

$8

Answer

$3

Question 8

If a recipe calls for 2 cups of flour to make 12 cookies, how much flour would be needed to make 24 cookies using the same recipe?

Accepted Answer

4 cups

Answer

3 cups

Answer

1 cup

Answer

2.5 cups

Question 9

If a car travels 200 miles with 10 gallons of gasoline, how far can it travel with 15 gallons of gasoline?

Accepted Answer

300 miles

Answer

350 miles

Answer

400 miles

Answer

250 miles

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