Daniel sells some jackets with a marked price of $200 each.
(a) Without any discount, it is known that each jacket is sold at a profit of 60%. Find the cost of each jacket.
Ans. $125 (i can do this)
(b) If Daniel sells the jackets at 40 % off, find the percentage profit/loss of selling each jacket.
Ans. 4% loss (I can do this also)
(c) After offering a discount, the jackets are still sold at a profit of 28%. Find the percentage disount offered.
Ans. 20 % (I don't know how to calculate this part C)
one math problem: percentages
2014-08-04 3:20 am
回答 (3)
2014-08-04 6:50 am
✔ 最佳答案
(a) Let the cost is x(200 - x)/x = 60%
1.6x = 200
x = 125
(b) 200 * 60% = 120
So, the percentage loss is (120 - 125)/125 = -4%
(c) Let the new price is x
(x - 125)/125 = 0.28
x = 160
So, the discount is 1 - 160/200 = 20%
2014-08-04 6:43 am
Thx a lot !
2014-08-04 5:24 am
cost = 125
selling price(at a profit of 28%) = 125X(1.28) = 160
discount = [(200 - 160)/200]X100% = 20%
selling price(at a profit of 28%) = 125X(1.28) = 160
discount = [(200 - 160)/200]X100% = 20%
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