Answer:
100 miles
Step-by-step explanation:
Create equations.
Company A: y = 0.28x + 50
Company B: y = 0.78x
These are equal to each other.
0.78x = 0.28x + 50
0.5x = 50
x = 100
B.) 2,4,8,16,32 is the geometric series as the common ratio is equal for each step