Find the percentage?

math 2019

New member
Joined
Apr 25, 2019
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27
The new price is $50 it was reduced by 30% to get to $50, what was the old price without sale?
I can't just get my head around it Can anyone help me?
Thanks
 

HallsofIvy

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Joined
Jan 27, 2012
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5,267
30% of a number is \(\displaystyle \frac{30}{100}= 0.30\) times that number. 30% of "X" is 0.30X. Taking 30% off X is X- 0.30X= (1- 0.30)X= 0.70X. That is equal to $50 so 0.70X= 50. To find X, divide by 0.70: \(\displaystyle X= \frac{50}{0.70}\)
 
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