Profit and Loss – Solving Master

Profit $=$ Selling price $-$ Cost
Profit percentage
$= \dfrac{\mbox{Selling price} – \mbox{Cost}}{\mbox{Cost}}\times 100\%$

$= \dfrac{\mbox{Profit}}{\mbox{Cost}}\times 100\%$
Loss $=$ Cost $-$ Selling price
Loss percentage
$=\dfrac{\mbox{Cost} – \mbox{Selling price}}{\mbox{Cost}} \times 100\%$

$=\dfrac{\mbox{Loss}}{\mbox{Cost}}\times 100\%$
Discount $=$ Marked price $-$ Selling price
Selling price $=$ Marked price $\times(1-$ Discount percentage$)$