Writing and Solving Expressions - General admission to the fair is $8.00, and rides cost $3.00 each.
a. Write an expression to represent the cost for Zachary to attend the fair and go on r rides.
b. Evaluate the expression to find his total cost if he goes on 6 rides.

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?