The ratio of Natalie’s markers to Susan’s markers was 5:3 at first. After Natalie gave 25 markers to Susan, they had an equal amount of markers each. How many markers did they have altogether?

Answer 1

n/s = 5/3
n-25 = s+25

5s/3 - 25 = s+25
2s/3 = 50
s=75
so, n=125

n+s=200