Ahot air balloon rises at a rate of 38 km/h and starts at the height of 60 km. another balloon started from the ground and is rising at the rate of 50 km/h. at this rate what height will they be at when they are at the same height?

Height = 250km

Step-by-step explanation:

Given,

rate of rise of ballon 1 = 38 km/h

rate of rise of ballon 2 = 50 km/h

Let the time after which both the ballons will reach same height be 't'.

hence, after 't' hours,

⇒ height of ballon 1 = height of ballon 2

⇒ 38t + 60 = 50t

⇒ 12t = 60

⇒ t = 5 hours

so, the height at which both the ballons will be at the same height will be 250km.

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step-by-step explanation: