SOLUTION: Could someone help me. I do not understand how to work this out. Please help! Jina drove 345 miles using 13 gallons of gas. At this rate, how many gallons of gas would she need

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Question 388059: Could someone help me. I do not understand how to work this out. Please help!
Jina drove 345 miles using 13 gallons of gas. At this rate, how many gallons of gas would she need to drive 276 miles?
Thank you so much!
Found 2 solutions by solver91311, Fombitz:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Divide 345 by 13. That gives you miles per gallon. Presuming constant fuel consumption (that's what "at this rate" means). Divide 276 by your result.


John

My calculator said it, I believe it, that settles it
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Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Set up a proportion.
345%2F13=276%2FX
345X=13%2A276
X=13%2A%28276%2F345%29