Distributive Property
128 boys and 144 girls are placed into 16 groups with the same number of boys and girls in each group. How many boys and girls are in each group? (What's the last layer of cake?)
8 boys and 9 girls
On a game show, every 8th audience member receives a free CD, and every 20th audience member receives a free shirt. What audience member will be the first one to receive both gifts?
The 40th audience member will receive all three gifts.