Trisha colors every third square in her art design yellow and every fourth square in her art design red. of 36 squares in the design, how many will be colored both red and yellow?

Ashley spent half of her lunch money on a turkey sandwich. then she spent two-thirds of the money she had left on a bottle of juice and the rest of the money on a cookie. if the cookie cost $.75, how much lunch money did ashley have to start with?