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Question

The ratio of old price and new price of an item is 3:4. If old price is $15, new price is ____

A
$10
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B
$20
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C
$25
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D
$18
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Solution

The correct option is B $20
Given ratio between old price and new price = 3:4

Therefore, Old price:New price = 3:4
15:New price = 3:4
New price = 15 x 4/3
= $20


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