Problema Solution

Notebooks cost $15.00 and legal pads cost $7.50 per carton. If and order comes in for a total of 100 cartons for $900.00, what wast the exact number of cartons of notebooks? (hint: Let n=cartons of notebooks

Answer provided by our tutors

x + y = 100 and 15x + 7.5y = 900

solving the two equations we get

x = 20 ( note books) 

y = 80 ( legal pads )