Question

3. Mr. Perrins’s class sold packs of peanut butter cookies for $2.40 each and Mr. Woods’s class sold bottles of milk for $1.25 each. Together, the classes sold 77 items and earned $136.50 for their school.

(a) Write and solve a system of equations that model the problem. Show all your work.
(b) Which class earned less money? Show all of your work.
(c) How much less money did that class earn? Show all of your work.

Answer 1

I am so sorry. I could only help for (a), model! The questions are not specific enough! SORRY!!!!