if 20% of (a+b) =25% of (a-b) , what percent of a is b?
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Concept:
The term percentage is used to measure the proportion of value in terms of the original value. Percentages are widely used in business to calculate the percentage of profit or loss of a business. It is also used in schools and colleges to represent grades obtained by students. Students' grades can be estimated using a percentage formula. A percentage generally defined as the ratio of any value to the total value multiplied by 100. The symbol used to express a percentage is %.
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We have find the percentage
Given:
20% of (a+b) =25% of (a-b)
Step-by-step explanation:
According to question
20% (a+b) =25% (a-b)
20a +20b = 25a -25b
20b +25b = 25a - 20a
45b = 5a
9b = a
Required percentage =
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