Answer:
3,520 yds in 2 hours
Step-by-step explanation:
5,280:1; 1 mile an hour is 5,280 feet in an hour
10,560:2; 2 miles in 2 hours is 5,280+5,280 (10,560) feet in 2 hours
3 ft = 1 yd; every 3 feet is a yard, so divide 10,560 by 3
10,560/3 = 3520 yds; Jorge can walk 3,520 yds in 2 hours
well since s=8 i the first example and t=16 we know that 2s=t because it says s varies directly. so 16*2=32 t when s=16 is 32
t=32
9/15 if you want it to sumpliest form then 3/5
x=4±sqrt(17)
x^2+4=8x+5
x^2-8x-1=0
Use quadratic formula
x=(8±sqrt(64+4))/2
Simplify it