Ratio and direct proportion

1.

Multiple Choice

1 min

5 pts

g is directly proportional to b

Given g=20 when b=4.

Find g when b=7

35

5

15

23

2.

Fill in the Blank

30 sec

5 pts

If y is directly proportional. When y=6 when x=2, find the value of y when x=11.

3.

Multiple Choice

3 mins

1 pt

Two slices of Dan’s Famous Pizza have 300

Calories. How many Calories would you expect to be in 6 slices of the same pizza?

30 calories

900 calories

1200 calories

460 calories

4.

Multiple Choice

30 sec

1 pt

Every 30 seconds, you can text 35 words. How many words can you type in 5 mins?

1200

350

1000

1,800

5.

Multiple Choice

30 sec

1 pt

6 cats eat 1 kg of fish. How many kilograms of fish do you need to feed 18 cats?

18 kg

12 kg

6 kg

3 kg

6.

Multiple Choice

5 mins

1 pt

There were 6 ice cream cones for every 3 brownies sold at the ice cream shop. If there were 24 brownies sold, how many ice cream cones were sold?

8

15

48

36

7.

Multiple Choice

3 mins

1 pt

Hamburger sells for 3 pounds for RM6. If Alicia buys 10 pounds of hamburger, how much will she pay?

RM30

RM20

RM60

RM10

8.

Multiple Choice

45 sec

1 pt

For every 3 cups of rice you need 2 cups of water, if you use 12 cups of rice, how much water will you need.

4

8

24

6

9.

Multiple Choice

15 mins

1 pt

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

2.5 cups milk

1.75 cups milk

2 cups flour

2.25 cups milk

10.

Multiple Choice

30 sec

1 pt

Every 7 days, you work 40 hours. How many hours do you work over 30 days?

52.5

4.75

171.4

8.5

11.

Multiple Choice

5 mins

5 pts

Solve:
7/n = 14/10

5

7

70

4

12.

Multiple Choice

5 mins

5 pts

Solve:
11/13 = n/39

33

3

25

9

13.

Multiple Choice

5 mins

5 pts

3

5.3

1.08

27

14.

Multiple Choice

2 mins

1 pt

Find the unit rate of 624 calories in 3 servings.

1,872 calories per serving

208 calories per serving

624 calories per serving

621 calories per serving

15.

Multiple Choice

5 mins

1 pt

It cost me $46.80 to fill my 13-gallon gas tank. What was the price of gas per gallon?

$3.60

$3.55

$3.40

$3.50

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