[tex]\frac{1}{8}N+32=2N-88\\\frac{1}{8}N+32-\frac{1}{8}N=\frac{16}{2}N-88-\frac{1}{8}N\\32=\frac{15}{8}N-88\\32+88=\frac{15}{8}N-88+88\\120=\frac{15}{8}N\\120*8=\frac{15}{8}N*8\\960=15N\\\frac{960}{15}=\frac{15N}{15}\\64=N[/tex]
Nancy is 64 inches tall, or 5 feet 4 inches.