maths
2007-09-30 6:33 pm
the amount of money joyce had was 3time of michael's.joyce用左$30之後再用左$18,佢有$12left.請搵出michael有幾錢
回答 (2)
2007-09-30 6:37 pm
✔ 最佳答案
Let x be michael's money3x-30-18=12
3x-48=12
3x=60
x=20
Michael has $20.
2007-09-30 6:38 pm
Let x be michael's money
3x-30-18=12
3x-48=12
3x=60
x=20
Michael has $20.
3x-30-18=12
3x-48=12
3x=60
x=20
Michael has $20.
收錄日期: 2021-04-23 17:17:22
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