Let rate of slower cyclist be S
Then rate of faster cyclist = S + 5
We then get the following DISTANCE equation: 5S + 5(S + 5) = 155
S + S + 5 = 31 ------ Factoring out GCF, 5/Dividing by 5
2S = 26
Speed of slower cyclist, or
You should now be able to find the faster cyclist's rate/speed.