Makana earned $54 mowing lawns in two days. He worked 2.5 hours yesterday and 4.25 hours today. If Makana was paid the same amount for every hour he works, how much did he earn per hour?

Example:

• When you solve a word problem involving rational numbers, you often need to think about the problem to decide which operations to use

Interpreting a word problem

• The total amount he earned divided by the total hours he worked

gives the amount he earns per hour.

• Use the expression 54 ÷ (2.5 + 4.25) to find the amount she earned

per hour.

Formulate a plan

Identify the important information.

• Makana made $54 mowing lawns.

• Makana worked 2.5 hours yesterday and 4.25 hours today.

• You are asked to find how much he earned per hour.

Analyze information

Makana earned $54 mowing lawns in two days. He worked 2.5 hours yesterday and 4.25 hours today. If Makana was paid the same amount for every hour he works, how much did he earn per hour?

WRITE IN NOTES

You added 2.5 and 4.25 first to find the total number of hours worked.

Then you divided 54 by the sum to find the amount earned per hour.

Justify and Evaluate

Follow the order of operations.

(2.5 + 4.25) = 6.75 Add inside parentheses.

54 ÷ 6.75 = 8. Divide.

​Makana earned $8 per hour mowing lawns.

Solve

Makana earned $54 mowing lawns in two days. He worked 2.5 hours yesterday and 4.25 hours today. If Makana was paid the same amount for every hour he works, how much did he earn per hour?

WRITE IN NOTES

Converting Fractions and Decimals to Solve Problems

Each part of a multipart question on a test is worth the same number of

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