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Vitek1552 [10]
3 years ago
8

During the summer Frank earned $60 less than three times as much as his brother Fred. Together they earned $1220. How much did t

hey each earn?
Mathematics
1 answer:
PtichkaEL [24]3 years ago
6 0

Answer:

320, 900

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answer:

l=\frac{A-\frac{1}{2} \pi w^2}{2w}

Step-by-step explanation:

We essentially need to solve for l; in other words, we must isolate it to one side.

First, notice that the term \frac{1}{2} \pi w^2 doesn't have any l terms in it, so we can just move this to the left side by subtracting both sides by \frac{1}{2} \pi w^2:

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l=\frac{A-\frac{1}{2} \pi w^2}{2w}

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Step-by-step explanation:

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