SOLUTION: Renee now weighs 118 pounds. This is 80% of what Renee weighed a year ago. How much did Renee with a year ago?

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Question 93517: Renee now weighs 118 pounds. This is 80% of what Renee weighed a year ago. How much did Renee with a year ago?
Answer by jim_thompson5910(21667) About Me  (Show Source):
You can put this solution on YOUR website!
The question can be read as:
80 percent of some number (her original weight which we'll call 'x') is 118

It translates to

0.8x=118 notice how 80% can be written as 0.8

x=118%2F0.8 Divide both sides by 0.8

x=147.5

So her original weight was 147.5 pounds