we know
distance =time *speed
from given question we have following equation
4*t+(1.5-t)*8=10
4*t+12-8t=10
12-4t=10
-4t=10-12
4*t=2
t=0.5 hour
hence at speed 4 miles per hour he crosses 4*0.5=2 miles
at speed 8 miles per hour he crosses 8*(1.5-0.5)=8 miles
Answer:
<em>Good Luck!</em>
<em />
Step-by-step explanation:
Answer:
5 minutes.
Step-by-step explanation:
We have been given that a bank finds that the average number of people waiting in line during lunch hour is 10. On average, during this period, 2 people per minute leave the bank after receiving service.
We will use flow time formula to solve our given problem.


Therefore, on average bank customers wait in line for 5 minutes.
11/14 is 0.785...
In percentage, this is 78.5%
Rounding to the nearest ones, the ANSWER would be 79%
Answer:0.4
Step-by-step explanation: