Answer:
m/4
Step-by-step explanation:
m is how many children are playing.
They are separated into 4 groups. Making it m(how many people are playing), out of 4.
For example, if m=12, then it would be 12/4, so 3 children will be in each group.
Hope this helps, you can change this to you own desire.
$72.25
85 x (1-.15) = answer
85 x .85 = 72.25
x=64
5x = 320
Divide each side by 5
5x/5 = 320/5