1. Decide whether the following question is looking for the part, the percent, or the whole: 6 is what percent of 17?
2. Decide whether the following situation is looking for the part, the percent, or the whole: 6 of 18 pears are yellow.
3. 4 is what percent of 16?
4. The football team has a total of 20 jerseys. There are 4 medium-sized jerseys. What percent of the jerseys are medium-sized jerseys?
5. A local little league has a total of 60 players, of whom 80% are right-handed. How many right-handed players are there?
6. The local newspaper has letters to the editor from 40 people. If this number represents 5% of all of the newspaper's readers, how many readers does the newspaper have?
7. A student answers 90% of the questions on a math exam correctly. If he answers 27 questions correctly, how many questions are on the exam?
8. Kevin went to see his favorite sports team play. His car can go 300 miles on one tank of gas. If he used 40% of a full tank of gas, how many miles did he travel?
9. Dan is watching the birds in his backyard. He figures out that 9, or 33%, of the birds are sparrows. Does Dan need to find the part, the whole, or the percent?
a. Writing What is 50% of 36?
b. Write a percent problem that asks you to solve for the whole.
c. Write a problem that asks you to solve for the percent.
11. Error Analysis Tom's math teacher asks, “7 is 50% of what number?” Tom incorrectly says, “350.”
a. What is the correct answer?
b. What error did Tom likely make?
A. He did not divide by 100.
B. He wrote the percent equation as percent = whole ÷ part.
C. He wrote the percent equation as whole = percent · part and did not divide by 100.
12. Car Survey In a survey of 2,000 people who owned a certain type of car, 1,100 said they would buy that type of car again. What percent of the people surveyed were satisfied with the car?
13. Think About the Process There are 4,000 books in the town's library. Of these, 2,600 are fiction.
a. To find the percent of the books that are fiction, first set up the percent equation.
A. 2 comma 600 equals m divides 4 comma 000
B. 2 comma 600 equals m middle dot 4 comma 000
C. 4 comma 000 equals m divides 2 comma 600
D. 4 comma 000 equals m middle dot 2 comma 600
b. What percent of the books are fiction?
a. Reasoning If 50% of the registered votes cast 228,000 votes in an election, how many registered voters are there?
b. In another election 60% of the registered voters cast 273,600 votes. How do the number of registered voters compare in the two elections?
15. Meg is a veterinarian. She found that 50% of the 16 dogs she saw this week were boxers. Steve is also a veterinarian. He found that 7 of the 35 dogs he saw this week were boxers.
a. Does Meg need to find the part, the whole, or the percent?
b. Does Steve need to find the part, the whole, or the percent?