A Rectangular Space of 390 Square Feet Is Allocated for the Living

Multiple Choice

A rectangular space of 390 square feet is allocated for the living and dining areas in an apartment. Find the width of the square living area given that the width of the dining area is $11 \mathrm{ft}$ .

A) $14 \mathrm{ft}$
B) $17 \mathrm{ft}$
C) $26 \mathrm{ft}$
D) $15 \mathrm{ft}$