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morpeh [17]
3 years ago
6

A machine takes 5.4 hours to make 9 parts. At that rate how many parts can the machine make in 25.8 hours

Mathematics
2 answers:
Sveta_85 [38]3 years ago
6 0
9 divided by 5.4 = approx. 1.6
1.6 times 25.8 = 41.28
The machine can make approx. 41.28 parts in 25.8 hours
Sliva [168]3 years ago
4 0
\frac{5.4}{9} = \frac{25.8}{x}    Cross multiply.

5.4x=9*25.8

5.4x=232.2    Divide both sides by 5.4

x=43
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nasty-shy [4]

Answer:

For the first question (For which job will she earn more if she works 40 hours a week), the answer is the second job.

For the second question (How much more per year will this be if she works 50 weeks per year), the answer is 25$ extra a year.

First i multiplied $12 times 36.

$12 x 36 = $432

Then i multiplied $15 times 4.

$15 x 4 = $60

Now add those together

$432 + $60 = $492

That's how much she would make in a week for the first job, if she worked 40 hours a week.

For the second job, i did the exact same process.

$11.50 x 35 = $402.5

$18 x 5 = $90

$402.5 + $90 = $492.5

She would get 50 more cents a week, if she worked 40 hours a week.

For the second question, i multiplied the first job total by 50, since she is working 50 weeks a year.

$492 x 50 = $24,600

Thats her total of a year, for the first job.

Do this with the second job.

$492.5 x 50 = $24,625

As you can see, she would get $25 more in the second job, than the first job.

I hope this helped!

7 0
3 years ago
Jina received a $80 gift card for a coffee store.
Stella [2.4K]

Answer:

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Answer:

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Step-by-step explanation:

8 0
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Read 2 more answers
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JulijaS [17]
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Hope this helped!

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3 years ago
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