Question

Elsa made $374 for 17 hours of work.
At the same rate, how much would she make for 7 hours of work?

Answer 1

Cash Elsa made for 17 hours of work=$374

cash elsa made for 1 hour=374÷17=$22

cash Elsa made for 7 hours=22×7=$154

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Answer 2

Given: Money earned by Elsa for 17 hours of work = $374

To find: Monet she would make for 7 hours of work if rate is same

Solution: Given that,

Elsa made $ 374 for 17 hours of work.

Using unitary method, we can find her earning of 1 hour.

∴ Money made by her in 1 hour = $\frac{374}{17}$ = $22

Now, given that the rate is same. So, she can make 7 times of her 1 hour earning by working for 7 hours.

∵ Money she would make in 7 hours = 22 × 7 = $154

Hence, at the same rate, Elsa can make $154 for 7 hours of work.