代數唔識...

2007-08-08 4:38 am
設Y為部門營業額
1.2% x Y = (7500 + 0.8% x Y) (1 + 10%)
0.0032Y = 8,250 <-- 0.0032Y 係點計出來? thx
Y= 2578125

回答 (4)

2007-08-08 4:44 am
✔ 最佳答案
1.2/100 Y = (7500 +0.8/100Y) x (1+ 10/100)
0.012 Y = 8250 + 0.0088Y
(0.012-0.0088)Y = 8250
Y = 8250/0.0032
Y = 2578125
參考: 自己
2007-08-11 7:05 pm
設Y為部門營業額
1.2% x Y = (7500 + 0.8% x Y) (1 + 10%)
0.012 Y = 8250 + 0.0088Y
(0.012-0.0088)Y = 8250
0.0032Y=8250
Y = 2578125
#
Ans:部門營業額為2578125元。
參考: ME
2007-08-08 7:30 pm
1.2/100 Y = (7500 +0.8/100Y) x (1+ 10/100)
0.012 Y = 8250 + 0.0088Y
(0.012-0.0088)Y = 8250
Y = 8250/0.0032
2007-08-08 7:13 am
1.2/100 Y = (7500 +0.8/100Y) x (1+ 10/100)
0.012 Y = (7500+0.008y) x 1.1
0.012 Y = 8250 + 0.0088Y
(0.012-0.0088)Y = 8250
0.0032Y=8250
Y = 8250/0.0032
Y = 2578125
參考: me


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