Justin is pouring a concrete walkway around his grandmother's rectangular garden. He wants the walkway to be 3 feet wide all the way around. If his grandmother's garden is 25 feet by 42 feet, what is the area of the top of the walkway

Answer: The area of the top of the walkway is 1,050 square feet

Step-by-step explanation:

Hi, to answer this question we simply have to apply the next formula:

Area of a rectangle: width x length (of the base)

Replacing with the values given and solving for A:

A = 25 feet x 42 feet = 1,050 square feet

In conclusion, the area of the top of the walkway is 1,050 square feet

Feel free to ask for more if needed or if you did not understand something.