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)

Question

Responses

13.3 miles
13.3 miles

78.1 miles
78.1 miles

92.5 miles
92.5 miles

78.5 miles
78.5 miles

Answer 1

Let r be the length of Route 32.
We know that Highway 199 is 7.2 miles longer than Route 32.
Therefore, the equation is: r + 7.2 = 85.3
To find the length of Route 32, we need to solve for r.
Subtracting 7.2 from both sides of the equation, we get:
r = 85.3 - 7.2
r = 78.1
The length of Route 32 is 78.1 miles.