Acity zoo borrowed $2,000,000 at simple annual interest to construct a breeding facility. some of the money was borrowed at 6%, some at 7%, and some at 10%. use a system of linear equations to determine how much was borrowed at each rate given that the total annual interest was $145,500 and the amount borrowed at 6% was twice the amount borrowed at 10%. solve the system of linear equations using matrices.

Aceramics manufacturer sold cups last year for $7.50 each. variable costs of manufacturing were $2.25 per unit. the company needed to sell 20,000 cups to break even. net income was $5,040. this year, the company expects the price per cup to be $9.00; variable manufacturing costs to increase 33.3%; and fixed costs to increase 10%. how many cups (rounded) does the company need to sell this year to break even?

If an investment has 35 percent more nondiversifiable risk than the market portfolio, its beta will be:

Which of the following would indicate an improvement in a company's financial position, holding other things constant? a. the inventory and total assets turnover ratios both decline.b. the debt ratio increases.c. the profit margin declines.d. the times-interest-earned ratio declines.e. the current and quick ratios both increase.