Answer: the answer is when the unit rate is a lower cost then the other unit rate.
Step-by-step explanation:
Y = (2)^(n+1) - 2
is the general term for this.
Answer:
50000 m
Step-by-step explanation:
50km/h
It means that 1 hour can travelling 50 km
1km=1000m
50km=50000m
So 1hour can travel 50000m