1.If A is 20% greater than B, then what percent B less than A?
2. If C is 20% less than D, then what percent D greater than C?
percentage...
2007-12-21 5:17 am
回答 (3)
2007-12-21 5:27 am
✔ 最佳答案
1.let B is 1, then A = 1.2
i.e. (1.2 - 1)/1.2 x 100%
Then B is 16.67% less than A
2.
Let D is 1, then C is 0.8
i.e. (1 - 0.8)/0.8
Then D is 25% greater than C
2007-12-21 5:22 am
1.If A is 20% greater than B, then what percent B less than A?
A(1+20%)=B
A=5B/6
A is greater than B 17%
2. If C is 20% less than D, then what percent D greater than C?
C(1-25%)=D
C=4D/3
Cis greater D 33%
A(1+20%)=B
A=5B/6
A is greater than B 17%
2. If C is 20% less than D, then what percent D greater than C?
C(1-25%)=D
C=4D/3
Cis greater D 33%
2007-12-21 5:20 am
B is(1-20%)
D is(1+20%)
D is(1+20%)
收錄日期: 2021-04-19 00:10:28
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