SOLUTION: An electric bill varies directly as the amount of electricity used. The bill for 1400 kilowatts of electricity is $98. What is the bill for 2200 kilowatts?

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Question 673753: An electric bill varies directly as the amount of electricity used. The bill for 1400 kilowatts of electricity is $98. What is the bill for 2200 kilowatts?
Found 2 solutions by ewatrrr, vleith:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

An electric bill varies directly as the amount of electricity used. 

The bill for 1400 kilowatts of electricity is $98. 

What is the billhighlight%28x%29 for 2200 kilowatts?

 1400%2F98+=+2200%2Fx  | Cross Multiply to solve for x = $154

Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
Use a ratio
1400%2F98+=+2200%2Fx
x+=+2200%2A%2898%2F1400%29
x+=+154 dollars