Problema Solution
A dealer allows 30% discount on his list of prices and then makes a profit of 25% on his cost price. what is the listed price of a camera on which he gains $91?
Answer provided by our tutors
Let x be the list price.
x - .25 x = 30 + .40 (30)
.75 x = 30 + 12
.75 x = 42
x = 42/.75
x = $ 56