Algebra problem
Pls help

Answer:
The answer to your question is:
Shelly = 35
Michele = 32
Step-by-step explanation:
Shelly = S
Michele = M
Equations
S = M + 3
S + M = 67
M + 3 + M = 67
2M = 67 - 3
M = 64/2
M = 32
S = 67 - 32
S = 35