Vince owns a hair salon and he earns $18 per head. His monthly expenses are $280 for rent and electricity and 20% of his earnings are allocated for recreation and relaxation. He will save the rest. How much does he save if he serves 80 customers a month?
This month, Vince earns 80 x $18 = $
<gadget id="calculator">80*18</gadget>
<output>1_440</output>
1440.
The amount he allocates for recreation and relaxation is 20/100 x $1440 = $
<gadget id="calculator">20/100*1440</gadget>
<output>288</output>
288.
Thus, his monthly expenses is $280 + $288 =$
<gadget id="calculator">280+288</gadget>
<output>568</output>
568.
Therefore, he saves $1440 - $568 = $
<gadget id="calculator">1440-568</gadget>
<output>872</output>
872.

<result>872</result>