SOLUTION: Whats the origianl price of a television set if the sale price is $171.50 after a 30% discount?

Question 521628: Whats the origianl price of a television set if the sale price is $171.50 after a 30% discount?
Answer by jlshires(17) (Show Source): You can put this solution on YOUR website!
This is a ratio: If 30% was taken off, that means that $171.50 was the remaining 70%
70% out of 100% = $171.50 out of how much?
70/100=171.50/x
yiou then cross multiply the fractions to get
70(x)=(100)(171.50)
70x=17150
divide both sides by 70 and you get
x=245
the original price was $245
(***To check your answer, check what 30% of 245 is and then subtract the 30% from the original price that you got, ie:
245(.30) = 73.5
30% of 245 is 73.5
245 - 73.5 = 171.5 <-- if this is what was posed in the originial question (which it is) then you're right.)
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