Brian and Zach went to Village Grille for lunch. Brian‟s lunch cost $4 less than 3 times Zach‟s. The total cost for lunch was $25. How much did each boy spend on lunch? (Why did Brian eat so much?)

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

X+ y = 5 ; x - y =3 solve using linear combination