13+14=27
84-27=57
57 runners finished the race.
Let n be the reserve rate. Then:
2000/n=40000
2000=40000n
n=2000/40000=.05=5% reserve rate
☺☺☺☺
(x+5)(x-5) (cancels out the middle Nx factor)
(x+5)(x+5)
Answer:
A (3,2)
Step-by-step explanation:
2x +2 = 8
2x = 6
x = 3
I'm pretty sure it is 155
