The volume of a small balloon is 2 liters and a larger balloon is 5 liters. The small balloon is increased at a rate of 0.3 liters per second. The larger balloon is decreased at a rate of 0.12 liters per second. After how many seconds will the two balloons have the same volume?

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Answers

2014-05-22T17:28:47+05:30
Let after time t sec.both have same volume
2 + 0.3t = 5 - 0.12t
0.42t = 3
t = 300/42
t = 7.14sec.
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