You would use distribution. So, in this case, it would be 10a - 50. You use -10 to multiply -a and 5, and you get 10a, and -50.
Your answer would be A
He had 6 dogs
4x6d=24
Answer:
I think its 8
Step-by-step explanation:
because if you divided -40 by -5 then its 8
3 times as much as 40
40 x 3
40 + 40 + 40
40
40
40
----
120
120 is the answer