A's income is p% greater than B's income, where P>o. Find, by how much percent, B's income is less than A's income.
pls explain clearly with method
(10分)maths
2007-02-04 6:51 pm
回答 (1)
2007-02-05 12:49 am
✔ 最佳答案
A's income is p% greater than B's income.Therefore, the ratio of A's & B's income = (1+p%) : 1
The percentage that B's income less than A's is:
(A's income - B's income) ÷ (A's income)
= (1+p% - 1) / (1+p%)
= p%/(1+p%)
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