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christa buys an alarm clock for 45% the store increases the purchase price of the clock by 150%? what is the new sales price of the alarm clock

Answer :

boungiorno4765
New price = old price + 150 of old price = 45 + (150/100 X45)= 45 + 67.5 = 107.5
Let x be the original price.

Christa buys at 45% of the price
⇒ 0.45x

The price increase by 150%
⇒1.5 x 0.45x + 0.45x
⇒1.125x

1.125x = 112.5% of x

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Answer: The new sales price is 112.5% of the original price.
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