Car fuel

Tanya drove 3 1/2 hours and used 1/3 tank of gas. For how long could Tanya drive using a 1/2 tank of gas?

Enter your answer as a mixed number in the simplest form in the box.

Correct answer:

t2 =  5 14 = 21/4 h

Step-by-step explanation:

t1=321=3+21=23 2+1=26+1=27=3.5 h V1=1/3=310.3333 V2=1/2=21=0.5  t1:V1=t2:V2  t2=t1 V1V2=27 3121=421 h=541 h=5.25 h

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