Question 352506
The floor area is 30 ft x 18 ft, or {{{540 ft^2}}}.
The area of each square tile is {{{3ft/2 *3ft/2= 9ft^2/4}}}.
Let x = number of tiles needed to cover {{{540 ft^2}}} of floor area.
Then {{{9/4*x = 540}}}.
{{{x = 540*4/9}}}
{{{x=240}}}