GRE : Problem Solving
Three individuals contributed $ 800 each toward the purchase of a computer. If they bought the computer on sale for $ 1,950 plus 10% sales tax, how much money should be refunded to each individual? (A) $ 65 (B) $ 85 (C) $ 150 (D) $ 195 (E) $ 225 The cost of the computer is $ 1,950 + 10% of this amount as sales tax. = $ 1,950 + $ 195 = $ 2,145 The total amount contributed by all the three individuals is $ 800 X 3 = $ 2,400 The balance amount that will be there after purchasing the computer is = $ 2,400 - $ 2, 145 = $ 255 Each of the three individuals will get back = $ 255/3 = $ 85 So, the answer is (B).
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