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5 votes
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Tanya drove
3 1.2
hours and used
1/3
tank of gas.
For how long could Tanya drive using​
1/2
​tank of gas?
Enter your answer as a mixed number in simplest form in the box..

1 Answer

7 votes

Answer: Tanya could drive for 5 1/4 hr on half tank

3 1/2 hr = 7/2 hr

1/3 tank ---> 7/2 hr

3 * (1/3 tank) = 1 tank ---> 3* (7/2 hr) = 21/2 hr (full tank)

1/2 tank ---> 21/(2*2) hr = 21/4 hr = 5 1/4 hr (half of the above)

User Holland Wilson
by
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