The segments for Alan and Crystal are included in the picture below. you divide Lisa's segments by 2 which will equal Alexa's segments. For the one that need filling in you either divide by 2, or mutiply by 2 to get the answer.
The segments for Lisa and Alexa are included in the picture below. you divide Lisa's segments by 4 which will equal Alexa's segments. For the one that need filling in you either divide by 4, or mutiply by 4 to get the answer.
Hope this helps.