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stepan [7]
3 years ago
8

A science teacher needs to purchase microscope for every student in her class. There are 14 boys and 17 girls. Each mocrospoe co

sts $87.50 each. How much money will she have to spend?
Mathematics
1 answer:
IRISSAK [1]3 years ago
5 0
87.50(14+17)
87.50(31)
$2,712.50
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Your local coffee shop has announced new hours of operation. Previously: 7 am – 4 pm Monday thru Friday and 7am to Noon Saturday
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Part (a)
=======
See the attached figure which represents the problem.
So, we can note that there are 3 hours increase from <span>Monday thru Friday
</span>
and 4 hours increase in both of Saturday and Sunday

So, <span>the increase in total hours opened = 3*5 + 4*2 = 23 hours
</span>
<span>======================================================
</span>
<span>Part (b):
</span>
<span>=====
</span>
<span>weekly original payroll $ 385
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=====================================================
Part (c):
========
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<span>The percentage increase in total pay = \frac{161}{385} *100 = 41.8%</span>

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3 years ago
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