The bearing from Winston-Salem, North Carolina to Virginia is N 42 E.

The bearing from Virginia to Goldsboro North Carolina is S 48 E.

A car traveling at 65 mph takes 1.1 hr to go from Winston-Salem to Virginia and 1.8 hr to go from Virgina to Goldboro.

Find Distance between Winston-Salem to Golsboro

the answer in the back gives me 140mi and for my answer i get 137 .1176502 by doing the following

1.1 * 65 = 71.5 1.8 * 65 = 117

(71.5)^2 + (117)^2 =18801.25

(18801.25)^(1/2) = 137.1176502

Question

The bearing from  Winston-Salem, North Carolina to Virginia is N 42 E.

The bearing from Virginia to Goldsboro North Carolina is S 48 E. 

A car traveling at 65 mph takes 1.1 hr to go from Winston-Salem to Virginia and 1.8 hr to go from Virgina to Goldboro.

Find Distance between Winston-Salem to Golsboro

the answer in the back gives me 140mi and for my answer i get 137 .1176502 by doing the following

1.1 * 65 = 71.5      1.8 * 65 = 117

(71.5)^2 + (117)^2 =18801.25

(18801.25)^(1/2) = 137.1176502