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.

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2006-12-06 12:21 am

($1998 / 111) X 100 = $1800

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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

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2006-12-05 6:24 am

The original cost of the television set=$1998/(1+0.11)=$1800

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2006-12-05 6:24 am

Original cost of the television set
=$1998 / (1+0.11)
=$1800

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