If I’m correct it should be 6+4i good luck
Answer:
3.5
I,jJUiIJzuzusjdjusususuuss
First you have to figure out the length of the track:
r is the half of the diameter:
200ft : 2 = 100ft
= 200
≈
628,31
The athlete has to run ca. 5280ft for one mile:
5280 : 628,31≈8,4
The athlete has to run 8,4 laps
10+2(x)=5(x-7)
10+2(x)=5(x)-35
35+10=5(x)-2(x)
45=3(x)
45/3=x
x=15