Part A-Stacey borrowed money to buy a car at 13.5% simple interest from her credit union. If the loan was repaid in 2 years and the amount of interest was $2,700, how much did Stacey borrow?
Part B- Find the break-even point for a company whose cost function is C(x) =$7x + $12,000 and revenue function is R(x) = $12x
Part C- Supply and demand functions for a new broom are given by S(p) = p - 8 and D(p) = 90 - 3p, respectively, where p is measured in dollars. Find the price of the sweeper when the supply equals the demand.