Varies direct means y=kx
6=k*72
so k=1/12
y=kx
y=8/12
y=2/3
If I remember correctly I think its B. 15 mm
1/5=x/4
0.8ft
1/5=x/6
1.2ft
Dimensions are 0.8ft X 1.2ft.
I'll give you a hint. A whole number is not negative. (I think 0 is not whole as well)
Answer:
he would have to be at the mountain by 7:45
Step-by-step explanation:
if I'm not mistaken it would take him six hours in total to be up and down the mountain and 7:45 - 1:45 = 6