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20-01-2017
Mathematics

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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?

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Аноним Аноним

20-01-2017

3 1/2 = 7/2

7/2 hours and used 1/3 tank of gas
? hours and used 1/2 tank of gas

1/2 * 7/2
------------
1/3

= 7/4
-------
1/3

= 7/4 * 3
= 21/4
= 5 1/4

answer: 5 1/4 hours Tanya could drive using 1/2 tank of gas

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