SOLUTION: If a discount of 20% off the retail price of a desk saves Mark $45, how much did he pay for the desk?

Question 433322: If a discount of 20% off the retail price of a desk saves Mark $45, how much did he pay for the desk?
Found 2 solutions by stanbon, algebrahouse.com:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If a discount of 20% off the retail price of a desk saves Mark $45, how much did he pay for the desk?
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Let the price he paid be "x":
Equation:
0.20x = 45
x = 45/0.20
x = $225
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Cheers,
Stan H.
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Answer by algebrahouse.com(1659) (Show Source): You can put this solution on YOUR website!
"If a discount of 20% off the retail price of a desk saves Mark $45, how much did he pay for the desk?"

45 is 20% of what number?

Use the forumula a = p(b)
a = part
p = percent {as a decimal}
b = whole

45 = .2(b) {substituted into formula and changed 20% to a decimal}
b = 225

The retail price was $225

Subtract the $45 discount:
$225 - $45
= $180 is the price he paid after discount
www.algebrahouse.com

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