# math

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I used 8 gallons of gas when I drove for 240 miles. How many gallons of gas are needed to drive 720 miles??

• math -

Cross multiply and solve for x.

8/240 = x/720

• math -

I. Don't know

• math -

8/240=x/720
240x=5760

240x/240= 5760/240
x=24

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