24 marbles in the first group
28 marbles in the second group
I got A. 1.25 minutes; 1.25 hours. Hope that helps!
Answer:
4x-20 is the same as x+x+x+x-20
Step-by-step explanation:
how we supposed to do it , when we cant control it
k = -8
-2k+13=-8k-35
Add 8k to each side
-2k+8k+13=-8k+8k-35
6k +13 = -35
Subtract 13 from each side
6k+13-13 = -35-13
6k = -48
Divide by 6
6k/6 = -48/6