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## Basic Arithmetic

Please Excuse My Dear Aunt Sally (PEMDAS), she has the hardest time remembering how to make sense of these arithmetic rules...

# Word Problems

There are $$9$$ students in Josh's class, and there are $$6$$ other classes of the same size in this school (and no other classes). What is the total number of students in this school?

Juan has $$\41$$ left after spending $$10$$ on groceries. How much money (in $) did Juan have before going to the grocery store? In one game, Michael Jordan of the Chicago Bulls scored $$30$$ points from $$9$$ successful $$2$$-point shots and $$x$$ successful $$3$$-point shots. What is the value of $$x$$? An online music store charges$$$15$$ for each CD. There is also an additional shipping charge per order. If Sue paid a total of \$$$195$$ for ordering $$12$$ CDs, which of the following is the shipping charge for Sue's order?

Sudoku is a logic-based combinatorial number-placement puzzle. The objective is to fill a $$9 \times 9$$ grid with digits 1 to 9 such that each column, row and $$3 \times 3$$ box contains all the digits from 1 to 9.

If a Sudoku puzzle is filled correctly, what is the sum of all of the entries in the $$9 \times 9$$ grid?

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