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Chapter 3: Q. 316 (page 399)

Ryan charges his neighbors\(17.50to wash their car. How many cars must he wash next summer if his goal is to earn at least \)1,500?

Short Answer

Expert verified

The number of cars must he wash next summer if his goal is to earn at least$1,500is,86.

Step by step solution

01

Step 1. Given information 

Charges to wash car is, $17.50.

Let the number of cars to be wash is, x.

We need to find the number of cars must he wash next summer if his goal is to earn at least $1,500.

Let us create an equation by using the given information.

17.50脳x鈮�1,500

02

Step 2. Now simplify the obtained equation.

17.50x鈮�1,500x鈮�1,50017.50x鈮�85.71x鈮�86

03

Step 3. Let us check the answer.

17.50脳x鈮�1,50017.50脳86鈮�1,5001,505鈮�1,500

which is true.

Therefore, the number of cars must he wash next summer if his goal is to earn at least$1,500is,86.

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