Answer:
180 minutes.
Step-by-step explanation:
Because for 6-lb is 120 minutes so 3-lb can be 60 minutes so 6+3=9 120=60=180 minutes
C I think
hope it's correct
3(5^6)
x+9=58
x=58-9
58-9=49
x=49
hope this helped! -Jentri
The answer should be C. By combining like terms you can find the answer. 1.75a+2.75a = 4.5a
2.25b + 1.75b = 4b
2.25c + 1.25c = 3.5c
