This is the equation
185+185(2)+185-50
185+370+185-50 (you multiply 185 times 2 first)
370+370-50 (you add 185 to 185)
740-50 (you add 370 to 370)
740-50=690
There were 690 visitors during these three days.
WW and Ww. although Ww is a carrier of the w gene ( which is recessive) the W gene is dominant.
