雞蛋1500隻,小販以900元購入,但破了100隻;若賺要220元,20隻雞蛋要賣幾元?
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雞蛋1500隻,小販以900元購入,但破了100隻;若賺要220元,20隻雞蛋要賣幾元?
2007-06-09 4:01 am
回答 (3)
2007-06-09 4:14 am
✔ 最佳答案
完整的蛋有=1500-100=14001400隻賣900+220=1120(原本買入用了900
要賺220)
平均一隻買:
1120÷1400
=0.8
20隻賣:
0.8×0
=16
參考: 我自己
2007-06-09 4:20 am
雞蛋1500隻,小販以900元購入,但破了100隻;若賺要220元,20隻雞蛋要賣幾元?
. 歸一法:
平均一隻買:
1120÷1400
=0.8
20隻賣:
0.8×20
=16
答:所以20隻雞蛋要賣16元。
. 歸一法:
平均一隻買:
1120÷1400
=0.8
20隻賣:
0.8×20
=16
答:所以20隻雞蛋要賣16元。
參考: me
2007-06-09 4:14 am
$16
if the hawker wants to make the profit of $220 which means he/she needs to sell all 1400 eggs at the price of $1120
$1120 / 1400 = $0.8 per egg
$0.8 x 20 = $16
if the hawker wants to make the profit of $220 which means he/she needs to sell all 1400 eggs at the price of $1120
$1120 / 1400 = $0.8 per egg
$0.8 x 20 = $16
收錄日期: 2021-04-13 17:19:39
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