from the sale of sleeping bags, a retailer made a gross profit of 13 % of the wholesale cost. if each sleeping bag was sold for $ 28, what was the wholesale cost per bag?	Choose the correct choice from the following answers:
A) 3.0	B) 3.36	C) 24.78	D) 25.0	E) 31.36
<gadget id="calculator">28 * 100</gadget>
<output>2_800</output>

<gadget id="calculator">100 + 13</gadget>
<output>113</output>

<gadget id="calculator">2_800 / 113</gadget>
<output>2_800/113 = around 24.778761</output>

<result>C</result>
from the sale of sleeping bags, a retailer made a gross profit of 13 % of the wholesale cost. if each sleeping bag was sold for $ 28, what was the wholesale cost per bag?
divide(multiply(28, const_100), add(const_100, 13))
"cost price * 1.13 = selling price - - > cost price * 1.13 = $ 28 - - > cost price = $ 24.78 . answer : c ."