Using GCF's & LCM's Open Response

The video tutorial explains how to solve a math problem involving greatest common factors (GCF) and least common multiples (LCM) using a real-world scenario. At a store's grand opening, every 10th customer receives a free sticker, and every 25th customer receives a free T-shirt. The tutorial is divided into three parts: Part A calculates the number of customers receiving free stickers, Part B calculates those receiving free T-shirts, and Part C identifies customers receiving both items. The tutorial uses organized lists to solve each part, demonstrating the application of GCF and LCM in practical situations.

Identify the pattern used to determine how many customers received a free sticker.

Explain how the number of customers receiving T-shirts was calculated.