What is 11.6 as a fraction

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earned $75 in interest.how much interest will she earn during the following year?

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

How can you find the magnitude of a vector, v = < x,y > , where the horizontal change is x and the vertical change is y?