SOLUTION: Mrs paige drove 270 mi. Last week and used 6 gal. Of gas how many gal. Will she use if she drives 675 mi.

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Question 896560: Mrs paige drove 270 mi. Last week and used 6 gal. Of gas how many gal. Will she use if she drives 675 mi.
Found 3 solutions by vja_1994, MathTherapy, richwmiller:
Answer by vja_1994(6) About Me  (Show Source):
You can put this solution on YOUR website!
First set up your problem:
270%2F6=675%2Fx
Next cross multiply:
270%2Ax=675%2A6
Then simplify and solve for x:
270%2Ax=4050
x=4050%2F270
x=15
So, she will use roughly 15 gallons of gas if she drives 675 miles.
-Alejandro

Answer by MathTherapy(10553) About Me  (Show Source):
You can put this solution on YOUR website!

Mrs paige drove 270 mi. Last week and used 6 gal. Of gas how many gal. Will she use if she drives 675 mi. 


highlight_green%2815%29 gallons

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
270/6=45 mpg
675/45=15 gallons at 45 mpg
or
270/6=675/x
Don't cross multiply yet. Divide by 45
270/45=6
675/45=15
6/6=15/x
x=15
or
270/6=45
45=675/x
45x=675
x=15