mario's dad is building a rectangular deck onto the back of their house want to do this finish the deck will have a perimeter of 41 feet including a width of 7.5 feet enter the measurements of the length of the deck in feet

Length of the deck = 13

Step-by-step explanation:

Given:

Design of deck = rectangular

Perimeter of deck = 41 Ft

Width of deck = 7.5 Ft

Find:

Length of the deck = ?

Computation:

⇒ Perimeter of rectangle = 2 (Length + Width)

⇒ Perimeter of deck = 2 (Length of the deck + Width of deck)

⇒ 41 Ft = 2 (Length of the deck + 7.5 Ft)

⇒ 20.5 = Length of the deck + 7.5

⇒ Length of the deck = 13