Question
A rectangular picture is twice as long as it is wide and is to be mounted on a mat with the same proportion. If the picture is 18 inches wide, can it be
mounted on a mat of 259 square inches? To answer this, find the width of the mat.
mounted on a mat of 259 square inches? To answer this, find the width of the mat.
Answers
PsyDAG
L = 2W
L*W = 259
Substitute 2W for L in the second equation and solve for W.
L*W = 259
Substitute 2W for L in the second equation and solve for W.