Answer:

Step-by-step explanation:

…………………………
f(y) = x
⇔ 5y = x


Answer:
infinite solutions...
Step-by-step explanation:
Is there more information to this problem? It can be pretty much anything.
N=3M
Nina can be 30 and Maryna 10, Nina can be 3 and Maryna 1, Nina can be 15 and Maryna 5...
Well 500 mm = 50 cm so if you add both segments together you will get a 50+30=80cm segment