Question

A greengrocer sells melons at a profit of 37.5% on price he pays for it.What is the ratio of cost price to selling price

Answer 1

s-selling price
c-cost price
p-profit
p=37,5%

`(s-c)/(s)`*100%=37,5% /:100%

`(s-c)/(s)`=0,375 /*s
s-c=0,375*s /-s
0-c=-0,625*s /:(-s)

`(c)/(s)`=0,625