30t + 20c =< 300
5t + 10c =< 110
10c =< 110-5t
30t + 220-10t =< 300
20t =< 80
t = 4
120c + 20c =< 300
20c = 180
c = 9
Answer:
5x+6=21 is the same as 15+6=21
Step-by-step explanation:
hope this is what you wanted :)
Answer:
-8/15
Step-by-step explanation:
You would divide both sides by 0.75, to get a=-12.
I think this is a one- step equation, but that is the only way I think you can solve it.
