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If you are calculating a 10% off discount, you need to _____ to know the sale price.

add 10% to the original price

multiply the original price by 10%

multiply the original price by 90%

subtract 90% from the original price

Respuesta :

stressed123student
Multiply original price by 90%
saraherickson36

Answer:

multiply the original price by 90%

Step-by-step explanation:

obviously you know 10% of 100 is 10 so if you are trying to take 10% off of 100 you need to multiply it by 0.90(90%)

100*0.90=90

90 dollars is the price you should be left with after buying a 100$ item when it is 10% off

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