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Can someone help me on problem 12

Can someone help me on problem 12-example-1

1 Answer

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Because the base is less than 10:

b < 10

b = 2/7A

Knowing this:

2/7A < 10

Multiply by 7:

2A < 70

Divide by 2:

A < 35

The area is less than 35.

User Steven Black
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