6.3 Mixed Practice

Twelve of the students in the school choir like to sing solos. These 12 students make up 24% of the choir. How many students are in the choir?

• 20

• 2.88

• 50

• 2

On a 120-question test, a student got 96 correct answers. What percent of the problems did the student solve correctly?

A bag of chocolate candies contains 60 pieces of candy. The table below shows the percentages of the different colors. Find the number of blue candies in the bag.

A bag of chocolate candies contains 60 pieces of candy. The table below shows the percentages of the different colors. Find the number of Yellow candies in the bag.

A bag of chocolate candies contains 60 pieces of candy. The table below shows the percentages of the different colors. Find the number of purple candies in the bag.

A class at Woodland Middle School has 25 students. Of the 25 students, 21 of them ate cereal for breakfast. What percentage of students ate cereal for breakfast?

• 84%

• 119%

• 1.19%

• 0.84

Students at a school are taking a state mandated test. Of the students taking the test, 7.2% of them are left-handed. There were 45 left-handed students taking the test. What was the total number of test takers in the school?

• 3.24

• 625

• 72

• 32.4

Laura earned 51 points out of a total of 60 on her recent math test. On a science test, she scored 72 out of a possible 90 points. On which test did Laura score a higher percentage of the total? Justify your answer by showing the calculations.

A school did a survey to find out if students would drink strawberry milk if offered as a choice. They will offer strawberry milk if at least 40% of the students surveyed would drink it. If they survey 175 students, how many students need to respond yes to drinking strawberry milk for the school to offer strawberry milk? Justify your answer. 

Maya spent 40% of her savings to pay for a bicycle that cost 

her $85.

a. How much money was in her savings to begin with? 

b. How much money does she have left in her savings after buying the bicycle?

• (a) $212.50

  (b) $85.00

• (a) $ 297.50

  (b) $212.50

• (a) $8.50

  (b) $204.00

• (a) $212.50

  (b) $127.5