Highway 199 is 85.3 miles long. That is 7.2 miles longer than Route 32. What is the length of Route 32? Write and solve an equation to find the answer, using r as a variable to stand for the length of Route 32.(1 point)

Responses

Let r be the length of Route 32.

Since Highway 199 is 7.2 miles longer than Route 32, we can write the equation:

85.3 = r + 7.2

To find the length of Route 32, we need to solve for r:

r + 7.2 = 85.3
r = 85.3 - 7.2
r = 78.1

Therefore, the length of Route 32 is 78.1 miles.