SOLUTION: when the local department store put all of its shirts on sale for 20% off, jason saved a total of $30 by purchasing four shirts. what was the total price of the four shirts before

Question 851234: when the local department store put all of its shirts on sale for 20% off, jason saved a total of $30 by purchasing four shirts. what was the total price of the four shirts before the sale?
Answer by JulietG(1812) (Show Source): You can put this solution on YOUR website!
The number of shirts is irrelevant to the equation.
x - .80x = 30 (subtracting 80% rather than 20% because the retail price less the discount = 80%)
Subtract
.20x = 30
Divide each side by .20
x = 150
.
Let's work it backward to make certain.
If the shirts cost 150 retail and have a discount of 20%,
150 * .20 = $30.00
Success!

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