100 ! need answer now! only correct answers! don't answer if you don't know how to work the

1.) mr. smith’s class sold wrapping paper for $3.50 each and mr. davis’ class sold magazines for $2.75 each. together, the classes sold 72 items and earned $222 for their school.

write and solve a system of equations that model the problem. show all your work.

which class earned more money?
how much more money did that class earn?