Step-by-step explanation:
5(m+3)=5m+15
5m+15=5m+15
m=1
The minutes it takes him to run 10.5 miles is 180 minutes
<h3>How many minutes did it take him to run 10.5 miles?</h3>
The given parameters are
Speed = 3.5 miles per hour
Distance = 10.5 miles
The time is calculated as:
Time = Distance/Speed
So, we have
Time = 10.5 miles/3.5 miles per hour
Evaluate the quotient
Time = 3 hours
Convert to minutes
Time = 180 minutes
Hence, the minutes it takes him to run 10.5 miles is 180 minutes
Read more about speed at:
brainly.com/question/6504879
#SPJ1
Answer:
19
Step-by-step explanation:
15z-14z=12+7
z=19
25/250 = 1/10
I do not know that much english. I an spanish so I might have done it wrong.
