G7.RP.A.1
Use equivalent ratios to solve proportional relationship problems
Let’s double both parts of the ratio: 2 cups to 4 cups and 3 packs to 6 packs.
- Start with 2 cups for 3 packs.
- Notice that 6 is double 3.
- Double the yogurt too: 2 becomes 4.
- So 6 fruit packs need 4 cups of yogurt.