Question 119811
Nolan finishes a 3.5 mile race in 21 minutes. Nolan waited for ben at the finish line for 5 minutes. Laura had finished the race 7 minutes ahead of Ben. How long did it take Laura to run the race?
<br>
n=21
b=n+5=21+5=26
l=b-7=n+5-7=21+5-7=26-7=19
<br>
Laura ran the race in 19 minutes.