Singapore Math - Using Models to solve Age related Math Problem

For more Singapore Math problems check out my channel at https://www.youtube.com/@inspiredLearning Singapore Model Math - Age related problems. This video explains the basics behind handling age related mathematical problem to give a behind the screens view of the solution. This video demonstrates the following a. logic behind such problems b. model method for solving the problem and c. algebra method for solving the problem. Question solved in this video: Sara's age is 3/7 of Tom's age. In 18 year's time her age will be 3/5 of Tom's age. How old will Tom be by then?