Here’s another step by step model drawing example.
Betty Siti and Meiling had $5000 altogether. Betty spent 2/5 of her money and Siti spent $500. The ratio of the amount of money Meiling spent to the amount of money Betty spent was 3:4. In the end, they had the same amount of money left.
A) how much money did each of them have left?
B) What was the total sum of money Betty and Meiling had at first?