harriet has $616 to buy desks for her new office. She needs 15 in all, and decides to buy 2 types of desks. Type A cost $42 and Type B desks cost $40. How many Desks of each type can Harriet buy?

Respuesta :

616/40 = 15.4 40(10) 400

616/42 = 14.6 42(5)  210

400 + 210 = 610

She can by 10 of the $40 desk and 5 of the $42