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-1750
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-1750
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1120-\frac{1}{2}\times 205\times 28
Multiply 40 and 28 to get 1120.
1120-\frac{205}{2}\times 28
Multiply \frac{1}{2} and 205 to get \frac{205}{2}.
1120-\frac{205\times 28}{2}
Express \frac{205}{2}\times 28 as a single fraction.
1120-\frac{5740}{2}
Multiply 205 and 28 to get 5740.
1120-2870
Divide 5740 by 2 to get 2870.
-1750
Subtract 2870 from 1120 to get -1750.
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