簡單Maths

2006-12-05 6:19 am
A television set is sold for$1998 and a 11% profit is made.Find the original cost of the television set.

回答 (5)

2006-12-05 6:28 am
✔ 最佳答案
$1998除(1+11%)
=$1998除111%
=$1800
The original cost of the television set is $1800.
2006-12-06 12:21 am
($1998 / 111) X 100 = $1800
2006-12-05 6:26 am
Let x be the original cost of the television set.
x(1+11%)=1998
x=1800
The answer is $1800.
參考: 自己
2006-12-05 6:24 am
The original cost of the television set=$1998/(1+0.11)=$1800
2006-12-05 6:24 am
Original cost of the television set
=$1998 / (1+0.11)
=$1800


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