Given that a:b:c=6:8:9
Q1.Prove that 1/a : 1/b = 4:3
solution please!
Ratio and Rate
2007-03-10 5:02 am
回答 (1)
2007-03-10 5:07 am
✔ 最佳答案
Q1. Prove that 1/a : 1/b = 4:3As a:b:c=6:8:9
Let a = 6k, b = 8k c = 9k , where k is a constant
then, 1/a : 1/b
= (1/a)/(1/b)
= (1/6k)/(1/8k)
= (1/3)/(1/4)
= 4/3
therefore 1/a : 1/b = 4:3
收錄日期: 2021-04-12 21:02:32
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