Maths-

General

Easy

Question

# At a hot air balloon festival. Mohamed's balloon is at an altitude of 40m and rises 10m/min Dana's balloon is at an altitude of 165m and descends 15m/min.

b) What will be the altitude?

Hint:

### given, the initial heights and rate of increment (or)decrement of balloon .

## The correct answer is: In 5 mins both balloons will be at same altitude of 90m

### b) now find height of any balloon at t (as both will be at same height at t)

Ans :

The altitude will be 90m.

Explanation :-

Let the time be t min at which both balloons have the same height .

find the height of balloons at time t = 5 min

Height of both balloons = 40 m + 10m/min (5 min) = 40m + 50m = 90 m.

∴In 5 mins both balloons will be at same altitude of 90m .

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