A red ballon starts at 7 meters off the ground and rises at 3 meters per second. A ballon starts at 12 meters off the ground and rises at 2 meters per second. Write and solve an equation to determine when the balloons are at the same height

Question

Gianna Anderson

Mathematics

2 April, 00:02

A red ballon starts at 7 meters off the ground and rises at 3 meters per second. A ballon starts at 12 meters off the ground and rises at 2 meters per second. Write and solve an equation to determine when the balloons are at the same height

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Answers (1)

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Sissy · Answer 1

Let x be the no. of seconds it takes for the balloons to be at the same height.

7+3x = 12+2x

Deduct both sides by 2x.

7+x = 12

Deduct both sides by 7.

x = 5

Ans: It will take 5 seconds for the balloons to be at the same height.