Question

a helicopter is 14 meters above a canyon it goes down 20 meters then up 5 write a subtraction sentence, how do you know your answer is correct?​

Answer 1

14 - 20 + 5

14 - 15 = -1

-1

If you take 14 meters and you go down 20 meters that is 14 - 20

Then, if you go up 5 meters, that is 14 - 20 + 5.

So simplify 14 - 20 + 5.

Simplified: 14 - 15

So the answer is -1 meter