3x+5y=5+3y plz help with prob thxs

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62