A = \frac { 7,5 ( 20 + 10 ) } { 2 }
Solve for A
A=112,5
Assign A
A≔112,5
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A=\frac{7,5\times 30}{2}
Add 20 and 10 to get 30.
A=\frac{225}{2}
Multiply 7,5 and 30 to get 225.
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