A,B,C have a total of 69 kg of rice.If A has one third of the rice of B and B has 5 times as much as C ,find the amount of rice each person has.
A=15 kg
B=45 kg
C=9 Kg
求過程!
Maths solving!!!(20點!!!)
2013-08-06 7:26 am
回答 (1)
2013-08-06 7:43 am
✔ 最佳答案
Let a,b,c be the amounts of rice each of A,B,C respectively has. Then:
C=B/5
A=B/3
A+B+C=69
B/3 + B + B/5 = 69
1.5333B=69
Therefore:
B=45
A=45/3=15
C=45/5=9
收錄日期: 2021-04-16 16:05:14
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