Add: 3/5, -5/25, -6/15

0/75

Step-by-step explanation:

when u take lcm of all the no.s it becomes 45/75, -15/75, -30/75 and when u add all of them it becomes 45/75 and -45/75 which will be 0/75.  

hope this helps u buddy

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.

what i would say the best answer is a. 40.5