A store’s selling price of $2240 for a certain computer would yield a profit of 40 percent of the store’s cost for the computer. What selling price would yield a profit of 50 percent of the computer’s cost?  Options:
A) $2400	B) $2464	C) $2650	D) $2732	E) $2800
2240 = X * 1.4 = X * (7/5). Therefore, X = 2240 * 5/7.   2240 is easily divided by 7 to be 320, which is then easily multiplied by 5 to give X = 1600. To get 50% profit, you need  1600 * 1.5= 
<gadget id="calculator"> 1600 * 1.5</gadget>
<output>2_400</output>
2400.   $2400nswer: $2400
<result>A</result>
A store’s selling price of $2240 for a certain computer would yield a profit of 40 percent of the store’s cost for the computer. What selling price would yield a profit of 50 percent of the computer’s cost?