Free Practice Question
PS · Problem Solving
sub-505
Percentages
Charmaine bought a pair of shoes at a 30% discount and paid $22.50 less than the original price. What was the original price of the pair of shoes?
Answer Choices
Correct answer marked belowA
$60
B
$68
C
$72
$75
Correct
E
$81
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Explanation
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What it tests
Your ability to compute percentage change, percentage of a whole, and to work backwards from a final value.
Common trap
Treating successive percentage changes as additive — a 10% rise then a 10% fall is not back to the start.
Details
Difficulty
sub-505
Type
PS
Category