What is the solution to the following system?

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?

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?

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers