Question

A sold a watch at a gain of 12% and B sold it to C at a loss of 5% if C paid 5320 . how much did a pay for it​

Answer 1

5000

Explanation:

Let: A bought the watch at n

B bought the watch at =
`n(100\% + 12\%)`

`=1.12n`

C bought the watch at =
`1.12n(100\%-5\%)`

`=1.064n`

`1.064n=5320`

`n=5320/ 1.064`

`=5000`