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2007-10-24 3:00 am
jordan had $20 more than johnson and they spent all their money to buy a basketball.if the selling price of the basketball was $150.how much did each of them originally have?let $x be the amount johnson orignally had,then jordan had $__
回答 (2)
2007-10-24 3:17 am
✔ 最佳答案
let $x be the amount johnson orignally had,then jordan had $(x+20)x+(x+20)=150
2x+20=150
2x=130
x=65
the amount of Johnson orignally had is $65,then Jordan had $(65+20=85).
參考: me
2007-10-24 3:10 am
is it ==>
(x+20)+x=150
2x+20=150
2x=130
x=65
then, johnson had 65 and jordan had 85....
hope it can help u.
2007-10-25 14:40:30 補充：
唔公平呀...人地答先o架o麻...
至於let 的野，你自己都let 左啦...
唔明ar ?!
(x+20)+x=150
2x+20=150
2x=130
x=65
then, johnson had 65 and jordan had 85....
hope it can help u.
2007-10-25 14:40:30 補充：
唔公平呀...人地答先o架o麻...
至於let 的野，你自己都let 左啦...
唔明ar ?!
收錄日期: 2021-04-13 20:01:44
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071023000051KK02451