1.

Subtract 12 1 over 2 from the product of 9 over 10 and 180

Answer»

Step-by-step EXPLANATION:

( \frac{9}{10}  \times 180) - 12 \frac{1}{2}   \\  = (9 \times 18) -  \frac{25}{2}   \\  = 171 -   \frac{25}{2}  \\  =  \frac{342 - 25}{2}  \\  =  \frac{317}{2}



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