Answer:
c = 3/5 or 0.6
Step-by-step explanation:
5c + 16.5 = 13.5 + 10c
-5c - 5c
16.5 = 13.5 + 5c
-13.5 - 13.5
3 = 5c
3 ÷ 5 = c
c = 3/5
