Unit 3: Percents Test Review

At the neighborhood Fourth of July party, Mrs. O’Conner plans to serve banana pudding. She plans to make 2 batches for every 9 people attending. If 72 people will attend the Fourth of July party, how many batches does Mrs. O’Conner need to make?

Find the missing value. Round to the tenths if necessary.

 $\frac{7}{8}=\frac{x}{28.8}$  

A gear rotates 8 times every 15 seconds. Based on this information, which of the following could NOT be true?

• The gear rotates 48 times in 90 seconds

• The gear rotates 32 times in one minute

• The gear rotates 16 times in 30 seconds

• The gear rotates 24 times in 60 seconds.

There are 60 slices of cheesecake in 5 cheesecakes. If there are the same number of slices in each cheesecake, how many slices are in 8 cheesecakes?

A dolphin jumps 54 times in a 6 hour period. At this rate, how many jumps would be expected in a 2 hour period?

A package of twelve cans of black beans cost $6.84. What is the cost of one can of black beans?

Of the 650 students at Westmoreland Junior High, 80% will attend the field trip. How many students will attend the field trip?

All items produced in a factory are checked for defect. Of the 300 items checked, 3% were found to be defective. How many of the items checked worked?

The doctor recommended that Matt increase the number of calories he consumed from 2,000 to 2,800. By what percent did the number of calories increase? Make sure you write your answer as a PERCENT

A shipping and handling fee of $35.00 is charged to all furniture orders over $250. If the order is $437.50, what percent is the shipping and handling fee? Write your answer as a percent.