Question

5. A hot air balloon rises up for 20 minutes and
reaches a height of 750 m. Then it starts to
descend at the rate of 25 m per minute. Find the
height of the balloon above the earth after 15
minutes.​

Answer 1

Answer:

375m

Step-by-step explanation:

In 1 minute 25 metre down

So, in 25 minutes

15×25=375

•750-375=375m