Solve for A
A=388
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A≔388
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A=\frac{\left(7+90\right)\times 8}{2}
Multiply 15 and 6 to get 90.
A=\frac{97\times 8}{2}
Add 7 and 90 to get 97.
A=\frac{776}{2}
Multiply 97 and 8 to get 776.
A=388
Divide 776 by 2 to get 388.
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