pp2-154

Kath1985

154.15633-!-item-!-187;#058&010772

Bobby bought two shares of stock, which he sold for $96 each.If he had a profit of 20 percent on the sale of one of the shares but a loss of 20 percent on the sale of the other share, then on the sale of both shares combined Bobby had



(A) a profit of $10

(B) a profit of $8

(C) a loss of $8

(D) a loss of $10

(E) neither a profit nor a loss

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【答案】C
Sold -Cost=Profit
96-C=1.2P
96-C=0.8P
請問我這樣設 觀念有錯嗎 ?

草稿纸

1.2c=96, P=0.2c=16

0.8c=96, L=0.2c=24

C