TEST: Topic 8 Ratios

Last updated almost 4 years ago
13 questions
Note from the author:
ratio Test
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)

1

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!)

1
There are 18 trumpet players, 7 saxophone players and 3 trombone players in the school jazz band. Find the ratio of the number of trumpet players in the band to the total number of students in the jazz band.

The ratio of the number of trumpet players to the total number of students in the band is _______ : _______ .
(Type your answer using the : with no spaces)
1

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

1

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

1

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.

1

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.

1

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.

1

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.

2

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.

1
Mrs. Horswood is writing a quiz with 6 easy questions and 14 challenging questions. If she wants to write a shorter quiz with the same ratio of easy questions to challenging questions, how many questions or each type will there be?

Show your work.
Hint: find half
There will be _______ easy questions and _______ challenging questions.
1

Are the ratios 32/40 and 40/50 equivalent?

Show your work to prove your answer.
(Hint: find the cross products)

1

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.