SOLUTION: if the sales price of an item is $12,590 and that is 20% off the regular price. What is the regular price? Please show me step by step how you get the answer. Thank you
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Question 20079: if the sales price of an item is $12,590 and that is 20% off the regular price. What is the regular price? Please show me step by step how you get the answer. Thank you Answer by kunal_122(19) (Show Source):
now we know that off be discount in this case it is 20% discount.
so
we also know that regular price - regular*0.20=12590
let regular price be x (x has 1 ahead of it)
so x-x*0.20x=12590
that is 1x-0.020x in other words
so 0.80x=12590
x=15737.5
so regular price is 15737.5
is that what the answer in your textbook say.
regular price - regular*0.20=12590
you can substitue the answr as x and check it.
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