Age Sum & Difference Visualization

December 11, 2025

Problem

Lisa is 16 years younger than Kathy. If the sum of their ages is 30, how old is Lisa? (Sum of ages and age difference problem)

Explanation

Visualizes Lisa and Kathy's ages given: Lisa is 16 years younger than Kathy and their ages sum to 30. Use the sliders to explore other possible sums and differences, then see the specific solution for this puzzle highlighted.

Interactive Visualization

Parameters

30.00
16.00
Age Sum & Difference Visualization