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TEST: Topic 8 Ratios

Posljednje ažuriranje over 4 years ago

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Napomena autora:

ratio Test

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Pitanje 1

1.

There are 4 girls and 3 boys in the school robotics club. Write the ratio of the number of boys to the number of girls.
The ratio of the number of boys to the number of girls is _:_.
(Type your answer using the : with no spaces)

Pitanje 2

2.

Last month, Carmen paid a gas and electric bill of $85 total. The gas part of the bill was $45. Write the ratio of the payment for electricity to the payment for gas.
What is the ratio of the payment for electricity to the payment for gas?
(Hint: you need to find the electric part of the bill first!)

40 : 85

45: 85

45: 40

40: 45

Pitanje 3

3.

Pitanje 4

4.

What number would create equivalent ratios? Show your work!
(Type just the number to complete the ratio into the box)

Pitanje 5

5.

What number would create equivalent ratios? Show your work!
(Type just the number to complete the ratio into the box)

Pitanje 6

6.

In Ms. Harringtons sixth grade class, 25 out of 30 students brought their lunch. How many students out of every 6 brought their lunch? Show your work.
Out of every 6 students, ___ brought their lunch.

Pitanje 7

7.

A baker uses 45 cups of flour and 72 cups of water for a recipe. The flour-to-water ratio is 45 : 72. How much water does the baker need if he uses only 5 cups of flour?
(Hint: how do you get from 45 to 5? Use that answer to get from 72 to ?)
Complete the sentence: The baker needs ___ cups of water.

Pitanje 8

8.

Mrs. Laubin had the following ratio of pencils to pens in her school bag. If Mrs. Laubin needs 30 pencils for her entire class, how many pens would she need?
Show your work in the space provided. Type your answer (just a number) into the box.

Pitanje 9

9.

Azore scored 35 goals at soccer practice. Her ratio of goals to misses was 5 : 6. How many times did she miss?
Show your work and type your answer into the box.

Pitanje 10

10.

The attendant at a parking lot compared the number of hybrid vehicles to the total number of vehicles in the lot over a weekend. The ratios for the three days were equivalent. Complete the table.

Pitanje 11

11.

Pitanje 12

12.

Are the ratios 32/40 and 40/50 equivalent?
Show your work to prove your answer.
(Hint: find the cross products)

Yes, the ratios are equivalent.

No, the ratios are not equivalent.

Pitanje 13

13.

The ratio of lime juice to soy sauce in a salad dressing is 8 : 9. The total of both ingredients is 51 tablespoons.
How many tablespoons of each ingredient are used? Write your answer as a ratio.