PP-T2-PS97

[max999]

Each unit of a certain product costs a manufacturer $9 to produce. The manufacturer sells the product in boxes of 50 units for $560 per box. How many boxes of the product does the manufacturer need to sell to yield a profit of $110,000 ?

(A) 90
(B) 100
(C) 900
(D) 1,000
(E) 1,100

鬼打牆~怎麼算都是不對
麻煩大大了

[Huang Hsin-Yi]

the cost of every box is 9*50=450, therefore the profit of every box is 560-450=110
thus 110000/110=1000(box)

[max999]

哈~~~原來~~謝謝Huang Hsin-Yi大大