Question

4.6.PS-15 Question Help The width of a rectangle is 7n - 1.5 feet and the length is 1.5n + 8 feet. Find the perimeter of the rectangle. The perimeter of the rectangle is feet. (Simplify your answer. Use integers or decimals for any numbers in the expression.) Enter your answer in the answer box and then click Check Answer. All parts showing Clear All Check sa Review progress Question 8 of 12 Back Next >

Answer 1

2p =17n+13

1) Since the dimensions are:

width : 7n -1.5

length: 1.5n + 8

2) We can plug them into the Perimeter (2p) formula for the rectangle:

2p =2(w+l)

2p =2(7n-1.5 +1.5n+8)

2p= 14n-3 +3n+16

2p =17n+13