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PLEASE ANSWER IVE BEEN WAITING FOR AN HOUR Rachel earned 34 in 4 hours at her job today she wants to know how much she could earn (e) tommorow if she works 10 hours at the same hourly rate A. E/34 = 4/10
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PLEASE ANSWER IVE BEEN WAITING FOR AN HOUR

Rachel earned 34 in 4 hours at her job today she wants to know how much she could earn (e) tommorow if she works 10 hours at the same hourly rate

A. E/34 = 4/10
B. 34/4 = E/10
Solve the proportion to determine how much Rachel will earn in 10 hours.

User Akiiino
by
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2 Answers

2 votes
The correct equation of proportions would be $34 x
------- . Set this = to --------
4 hr 10 hr

$34 x
_____ = --------- Cross multiply: ($34)(10 hr) = 4(hr)x
4 hr 10 hr

Cancel "hr" on both sides. Then $340 = 4x, and x = $85.

She could earn $85 working 10 hours.
User Piotr Jasiun
by
8.4k points
4 votes
So she earned $34 in 4 hours, meaning she was earning at the rate of 34/4 or $8.5/hour.  Is she works for 10 hours at the same rate, it would be 8.5 x 10 = $85.  B is the correct proportion.
User Merve
by
7.3k points
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