John and David have a rectangular piece of property. The length is 8 more miles than the width, the perimeter is 60. What are the possible dimensions?

Length: 19

Width: 11

Step-by-step explanation:

19 miles is 8 miles longer than 11 miles.

With these dimensions, the perimeter is equal to 60 miles.

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2