Answer:
20.25 hours
Step-by-step explanation:
t=d/v
t=152/7.5
t=20.25 hours
7.5km/hr=152km/x
152/7.5=20.25
20.25*1=20.25=x
n=10
-2=-n+8
-n=-10
square root of 221
d= sqrt (14-3)^2 + (2-12)^2
sqrt 121+100= sqaure root of 221
H, 20%
960/4,800 = 20/100