Solve
-The Width of a Rectangle Is 6 Kilometers Less $= 10 \mathrm {~km}$

Multiple Choice

Solve.
-The width of a rectangle is 6 kilometers less than twice its length. If its area is 140 square kilometers, find the dimensions of the rectangle.

A) length $= 10 \mathrm {~km}$ , width $= 14 \mathrm {~km}$
B) length $= 3 \mathrm {~km}$ , width $= \frac { 140 } { 3 } \mathrm {~km}$
C) width $= 10 \mathrm {~km}$ , length $= 14 \mathrm {~km}$
D) length $= 7 \mathrm {~km}$ , width $= 8 \mathrm {~km}$