Hi,
Work:

To find the cost of gallons spend for 310 miles you need to first find the amount of gallons consumed on 310 miles path.

If each costs 3.5$ you need to multiply gallons with money.

You would spend 38.745$ to drive 310 miles.
Hope this helps.
r3t40
Hi! does the problem give any numbers
Answer:
It would probably be 15 actually
Answer is squareroot of 21 or 4.58 in decimal
by pythagorean theorem
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