Answer:
Hello there! the answer would be H, 1/36
Step-by-step explanation:
I hope you have a great day!
2
Mark brainliest please
Hope this helps
Answer:
C.Infinitely many solutions
I solved by substitution

Infinitely many solutions
Answer:
0.5hrs
Step-by-step explanation:
Let the speed downhill be
,
Speed uphill is
. We are told than speed uphill is
the speed on flat ground. Therefore the speed on level ground will be
.
From this info, we can obtain the actual speed,
on level ground as:

speed, distance and time have the relation
so to obtain time to cover 45miles:

Hence it takes 0.5hrs to cover 45miles on flat ground.
That would be 644.8 / 31 = 20.8 feet / second