Question

on their first three plays, the number of yards gained by a football team was -4, -7, and 2. find the total change in yards on these tree plays.​

Answer 1

-9

Explanation:

The answer is -9 because,

-4 + -7 = -11

Same sign, so you add the numbers and keep the sign.

-11 + 2 = -9

Different signs, subtract the problem. Keep the sign of the BIGGER number.

I hope this helps!