Percents Mixed Practice

Carlos and Maria played a game of rolling two number cubes and finding the sum of the numbers. They recorded how many times each sum was rolled in the table below. Which statement is true?

• A. A sum of 8 was rolled about 14% of the time.

• B. A sum of 2 was rolled about 1.8% of the time.

• C. A sum of 9 or 10 was rolled about 25% of the time.

• D. A sum of 5 or 6 was rolled about 10.1% of the time.

A school has 726 students. There are 340 boys. To the nearest whole percent, what percent of the students are girls?

The grades for 200 students at a middle school are represented in the graph below. How many more students earned Cs than Ds?

• 30

• 60

• 90

• 120

Randall spent a total of $16.00 on materials to make a rocket. The circle graph shows how much of each material was purchased. How much money did Randall spend on the rocket decorations?

• $4.00

• $8.00

• $12.00

• $16.00

Mrs. Kramer asked her students to list the age of their older siblings. The results are shown in the bar graph below. What percent of older siblings are under the age of 21?

• 14%

• 28%

• 40%

• 80%

The circle graph below shows how a family uses its monthly income of $2,500. Which statement is true?

• The family saves one-fifth of its monthly income.

• The family spends $700 a month on housing.

• The family spends $625 a month on automobile expenses.

• The family spends more than half of its income on food and automobile expenses.

What percent of the bowling pins are white?

• 20%

• 40%

• 60%

• 67%

The graph below shows the percent of times a family ate at different restaurants in a year. The family ate at MacGregor's 27 times. How many times did the family eat at restaurants in a year?

• 43

• 45

• 60

• 67

An oil company drilled several wells. Fifty wells, or 25%, produced oil. What was the total number of wells that were drilled?

• 50

• 100

• 125

• 200

What is 80% of 80?

• 16

• 60

• 64

• 100