4-3 Percent Word Problems

4-3 Percent Word Problems

Three ways to solve percent problems

• Whole, part, percent. What is the problem asking for?

ASKING FOR:

• Part: (Multiply) What is 3% of 400
• Whole: (Divide) 55 is 20% of what number?
• Percent: (Divide) 3 out of 10

A lot of information

Lisa and Tyler are mixing yellow and red paint to make orange paint. She puts in 40% red paint and 60% yellow paint. If there is 2.5 quarts of orange paint, how much red paint should she use?

Multiple Choice

Curt and Melanie are mixing blue and yellow paint to make green paint. She puts in 30% yellow paint and 70% blue paint. If there is 1.5 quarts of green paint, how much yellow paint should she use?

• 0.25 quarts of yellow

• 0.35 quarts of yellow

• 0.45 quarts of yellow

• 0.55 quarts of yellow

Multiple Choice

An auto insurance company pays 25% commission to its agents for each new insurance policy they sell. How much commission does an agent make on a $2,000 policy?

• $500

• $600

• $8000

• $9000

Multiple Choice

Bill paid $35.99 in tax on a laptop that cost $449.99. About what percent sales tax did Bill pay?

• 7%

• 8%

• 9%

• 10%

Multiple Choice

Gina paid $32.55 in tax on a laptop that cost $550.00. About what percent sales tax did Gina pay?

• 4%

• 5%

• 6%

• 7%

Multiple Choice

In a survey of 500 voters, 430 said they would vote for the same candidate again. What percent of the voters would vote the same way again?

• 65%

• 70%

• 75%

• 86%

Multiple Choice

A shirt that normally costs $30 is on sale for $21.75. What percent of the regular price is the sale price?

• 68%

• 72.5%

• 82.4%

• 95%

Multiple Choice

The local newspaper has letters to the editor from 40 people. If this number represents 5% of all the newspaper's readers, how many readers does the newspaper have?

• 70

• 80

• 700

• 800

Multiple Choice

A food bank received complaints from 60 people. If this number represents 22% of all the food bank customers, how many customers does the food bank have?

• 152

• 273

• 358

• 412

Multiple Choice

A restaurant automatically charges 20% gratuity if a party has 6 or more people. How much gratuity is added to a party of 6 on a $141 bill?

• $24.52

• $28.20

• $35.10

• $42.34

Multiple Choice

There are 4,000 books in the town's library. Of these, 2,600 are fiction. What percent are fiction?

• 65%

• 68%

• 70%

• 74%

Multi-Step Problem

A large university accepts 60% of the students who apply. Of the students the university accepts, 45% actually enroll. If 60,000 students apply, how many enroll?

Multiple Choice

A large university accepts 70% of the students who apply. Of the students the university accepts, 25% actually enroll. If 20,000 students apply, how many enroll?

• 2,000

• 2,500

• 3,000

• 3,500

Inverse Reasoning

In a company, 70% of the workers are men. If 2,080 women work for the company, how many workers are there in all?

Multiple Choice

In a company, 60% of the workers are men. If 1,380 women work for the company, how many workers are there in all?

• 2,850

• 3,200

• 3,450

• 3,680