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標題: Aaron present age is x [打印本頁]

作者: BingoJoey 時間: 11-8-18 14:02 標題: Aaron present age is x

Aaron present age is x
Jacky age is three times Aaron express in terms of x jacky present age
Express in term of x jacky age in 10 years
Jacky age will be four times Aaron present age in ten years
Write down an equation involving x
Solve the equation n © Hence find their present ages

作者: sheffield 時間: 11-8-18 14:16

A= X J= 3X

3X+10 = 4X
10=4X-3X
10= X

Aaron is 10 and Jacky is 30
in 10 year, jacky will be 40 which is 4 times of Aaron's present age

may i know how old your kid is?

作者: BingoJoey 時間: 11-8-18 23:33

sheffield : Thanks~~
She is 11 years old.

作者: sheffield 時間: 11-8-19 11:03

原帖由 BingoJoey 於 11-8-18 23:33 發表
sheffield : Thanks~~
She is 11 years old.

唔客氣，11歲小朋友做都正常d…

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