= O RATIOS, PROPORTIONS, AND PERCENTS Finding simple interest without a calculator Lena deposits $800 into an account that pays simple interest at a rate of 5% per year. How much interest will she be paid in the first 4 years? ​

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

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?