Please help me:

Salary of Peter was increased for p percent and salery od John was decreased by q percent. After it thay have equal saleries.

We known p, how to determined q (in function of p)?

Peter sal. X

John sal. Y

X+pX=Y-qY

... ?

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- May 9th 2013, 01:51 PMfeferon11Percents
Please help me:

Salary of Peter was increased for p percent and salery od John was decreased by q percent. After it thay have equal saleries.

We known p, how to determined q (in function of p)?

Peter sal. X

John sal. Y

X+pX=Y-qY

... ? - May 9th 2013, 03:08 PMemakarovRe: Percents
As you see, q is not a function of p. In addition to p, you need to know X / Y.

- May 9th 2013, 03:53 PMHallsofIvyRe: Percents
- May 9th 2013, 08:04 PMibduttRe: Percents
Since the increase and decrease are in percentage thus we should have

X + p%X = Y - q%Y That gives

X + pX/ 100 = Y - qY/100

qY/100 = Y - X - pX/ 100

Now proceed further