Question

Not including tax, a total of 19 pens and markers cost $11.50. The pens cost $0.25 each, and the markers cost $0.75 each. Write the system of equations that could be used to solve for the number of pens, p, and the number of markers, m, bought.

p + m = Response

Response p + Response m = Response

Answer 1

p + m = 19

0.25p + 0.75m = 11.50