1 Answer

Orka · Answer 1 · 2018-03-31T11:34:33+0000

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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