Using a simple machine, a student is able to lift a 500n weight by applying only 100n. what is the mechanical advantage of the simple machine? a) 0.2 b) 1 c) 5 d) 50000

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)