# Lesson 16

Finding the Percentage

### Problem 1

A sign in front of a roller coaster says "You must be 40 inches tall to ride." What percentage of this height is:

1. 34 inches?
2. 54 inches?

### Solution

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### Problem 2

At a hardware store, a tool set normally costs $80. During a sale this week, the tool set costs$12 less than usual. What percentage of the usual price is the savings? Explain or show your reasoning.

### Solution

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### Problem 3

A bathtub can hold 80 gallons of water. The faucet flows at a rate of 4 gallons per minute. What percentage of the tub will be filled after 6 minutes?

### Solution

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### Problem 4

The sale price of every item in a store is 85% of its usual price.

1. The usual price of a backpack is $30, what is its sale price? 2. The usual price of a sweatshirt is$18, what is its sale price?

### Solution

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(From Unit 3, Lesson 9.)

### Problem 6

Elena is 56 inches tall.

1. What is her height in centimeters? (Note: 100 inches = 254 centimeters)

2. What is her height in meters?

### Solution

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(From Unit 3, Lesson 4.)