I only know number one here you goSolution
Conversion for Km to Miles
1km = 0.621 miles
Conversion Hours to minutes
1 hr = 60 mins
solve
140 (0.621 miles / 60 mins )
= 140 (0.01035 miles/min)
= 1.449 miles/min
You make 22.50
assuming you get two payments of 11.25 a month
-x-=+ negative times a negative is a positive
Gosh that looks hard. but i wish you the best of luck on it