Finding Percent of Increase

The video tutorial explains how to solve a real-world math problem involving the expansion of a rectangular patio. The problem requires calculating the new area after increasing the length by 50% and the width by 20%. The tutorial guides viewers through visualizing the problem, understanding the concept of percent increase, and writing an algebraic expression to find the solution. The video concludes by identifying the correct answer from multiple choices.

What is the initial shape of Sharon's patio?

• Circle

• Square

• Triangle

• Rectangle

By what percentage does Sharon plan to increase the length of her patio?

• 60%

• 50%

• 30%

• 20%

How do you calculate the new length of the patio after a 50% increase?

• L * 0.50

• L + 0.50L

• L - 0.50L

• L + 0.50

What is the new width of the patio after a 20% increase?

• W + 0.20

• W + 0.20W

• W * 0.20

• W - 0.20W

Which expression represents the area of the expanded patio?

• 1.2L * 1.5W

• 1.5L * 1.2W

• 1.5L * W

• L * W