Question

If a man is 3 ft tall and casts an 8 foot shadow then how tall is a cat that casts a 18 inch shadowv

Answer 1

18 inch = 3/2 ft
$\frac{ \frac{3}{2} \times 3 }{8} \\ = \frac{ \frac{9}{2} }{8} \\ = \frac{9}{2} \times \frac{1}{8} \\ = \frac{9}{16}$
Cat tall 9/16 ft = 6.75 inch