Question

A kitchen floor has 15 1/2 tiles in an area of 2 3/5 square feet. How many tiles are in one square foot?

Answer 1

13/5 square feet require 31/2 square tiles
1 square fit would require 
1*$\frac{31}{2}$÷$\frac{13}{5}$
=$\frac{31}{2} * \frac{5}{13}$
=$\frac{155}{26}$
= 5 $\frac{25}{26}$ tiles