Steve is going to buy lunch for himself and his friends at a hot dog stand . a hot dog costs $3.25 and a cheeseburger costs $4.50. write an equation that represents the possible combinations of how many of each he can buy for $15.

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? show your work and explain your reasoning in the space provided below.