Respuesta :
					                   9 tiles are blue. 
3/8 can be converted into 9/24 by multiplying to denominator and numerator by 3. This way, if 3/8 of tiles are blue, 9 tiles would be blue.
					                
					             3/8 can be converted into 9/24 by multiplying to denominator and numerator by 3. This way, if 3/8 of tiles are blue, 9 tiles would be blue.
 
					                  