destiny sells pencil cases for $5 each and mechanical pencils for $2 each at the school supply store. she sells p pencil cases and (p+4) mechanical pencils. which expression represents destiny's total sales
5p + 2(p + 4) .......because pencil cases (p) sell for 5 bucks a piece....and mechanical pencils (p + 4), sell for 2 bucks a piece. She is basically selling 4 more mechanical pencils then she is pencil cases.
