A magazine costs $3 each. Jewel bought 10 magazines to be sold at $3.50 each. How much will be Jewel gain from selling these?
Jewel's gain for each magazine is $3.50 - $3 = $
<gadget id="calculator">3.5-3</gadget>
<output>0.5</output>
0.50.
Thus, her total gain will be $0.50 x 10 = $
<gadget id="calculator">0.50*10</gadget>
<output>5</output>
5.

<result>5</result>