Question

After a gas-filled balloon is released, it rises 90 feet by the end of the first minute. By the end of the second minute, the balloon rises 120 feet, and by the end of the third minute, it rises 150 feet. How many feet would the balloon rise in 8 minutes?

a.
300
c.
390
b.
330
d.
660

Answer 1

multiply that number by 5 and you get 150 then add it to the amount of feet it went up in 3 min which is 150. So 150 + 150 = 300 --------> Answer

Answer 2

A. 300

Explanation:

got it right on edge2020