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by divya23 » Fri Jun 03, 2011 5:24 am
A certain car travels 17 mile per gallon of gasoline after tune up car will use 80 % as much gasoline as it does now how many miles will d car be able to travel/gallon of gasoline after tune up...
13.6
15
20.4
21.25
23.5

oa = d
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by cans » Fri Jun 03, 2011 5:31 am
initially for 17 miles, 1 gallon is used.
after tune up, 80% or .8 gallon is used for 17 miles
thus mile/gallon = 17/.8 = 85/4 = 21.25
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by vikram4689 » Fri Jun 03, 2011 6:35 am
same distance is traveled using 0.8 gallon
therefore
0.8 gallon = 17 miles
1 gallon (after tune up) = 17/0.8 = 21.25
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