A balloon is rising at a constant speed of 5 ft/s. A boy is cycling along a straight road at a speed of 15 ft/s. When he passes under the balloon, it is 45 ft above him. How fast is the distance between the boy and the balloon increasing 3 s later?

Question

Sebastian Boyd

Mathematics

10 April, 20:03

A balloon is rising at a constant speed of 5 ft/s. A boy is cycling along a straight road at a speed of 15 ft/s. When he passes under the balloon, it is 45 ft above him. How fast is the distance between the boy and the balloon increasing 3 s later?

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Answers (1)

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Alijah Hull · Answer 1

the balloon is 60 ft above the boy and the boy is 45 ft from where he passed the balloon

Step-by-step explanation:

(5*3) + 45 is the balloon

15*3 is the boy