(Originais Teachy 2023) - Question Medium of Mathematics

Maria has a stationery store and wants to buy office supplies. She will buy 3 notebooks with 10 pages each, 2 boxes of pencils with 12 pencils each, and 4 erasers. To calculate the total number of items she bought, Maria decided to build a mathematical expression considering the 4 basic operations. a) Build the expression that Maria should use to find out the total number of items purchased, considering the quantities of each product. b) Solve the created expression and indicate what will be the total number of items purchased. c) If Maria decided to sell each notebook for R$ 8.00, each box of pencils for R$ 4.00, and each eraser for R$ 1.50, what is the total amount collected from the sale of these items?