3 years ago

Mr. Hammond earns $13.75 per hours and worked 20.5 hours last week. How much did he earn last week?

Mathematics

1 answer:

IRISSAK [1]3 years ago

8 0

Multiply total hours worked by pay rate:

20.5 x $13.75 = $281.88

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John took all his money from his savings account. He spent $110 on a radio and 4/11 of what was left on presents for his friend

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Answer:

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Let x be total amount

First John spent $110 on a radio and 4/11 of what was left on presents for his friends so he was left with

$\frac{7}{11}(x-110)=\frac{7}{11}x-70$

Then he put 2/5 of his remaining money into a checking account

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$420=\frac{3}{5}\left(\frac{7}{11}x-70\right)\\\Rightarrow \left(\frac{7}{11}x-70\right)=\frac{2100}{3}\\\Rightarrow \frac{7}{11}x-70=700\\\Rightarrow \frac{7}{11}x=770\\\Rightarrow x=1210$

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