Answer to Question #28399 in Analytic Geometry for clavz

Question

A dres was marked dow at 30% .the dress now costs ph280.00.what was the price before the mark down?

Answer 1

Let x is a price before mark down.
After the mark down the price is x - 0.3x = 0.7x and the price is ph280.
Then we can make the equation:
0.7x=280
x=280/0.7=400
Answer: the price before the mark down was ph400.00