I hope this helps you
distance=speed×time
first cars time t
second cars time t+3
same distance
distance=55.t
distance=40. (t+3)
55t=40 (t+3)
55t-40t=120
15t=120
t=8
t+3=11
Answer:

Step-by-step explanation:
The fraction is the equivalent of ...

and the distributive property applies.

Answer:
$28.68
Step-by-step explanation:
57.24+64.08
121.32
150-121.32