SOLUTION: by lowering the temprature of their electric hot water heater from 140 degrees F. to 120 degrees F., the Kelly's average electric bill dropped 7% to $60.45. What was their electric

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: by lowering the temprature of their electric hot water heater from 140 degrees F. to 120 degrees F., the Kelly's average electric bill dropped 7% to $60.45. What was their electric      Log On


   

Question 67029This question is from textbook
: by lowering the temprature of their electric hot water heater from 140 degrees F. to 120 degrees F., the Kelly's average electric bill dropped 7% to $60.45. What was their electric bill before they lowered the temprature of their hot water?
thanks!!! This question is from textbook

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
the Kelly's average electric bill dropped 7% to $60.45. What was their electric bill before they lowered the temprature of their hot water?
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93% of their former electric bill is $60.45
Let their former bill be "x"
EQUATION:
0.93x=60.45
x=$65.00
Cheers,
Stan H.