The store is selling lemons at 2 for $1. Each yields about 2 tablespoons of juice. How much will it cost to buy enough lemons to make a 9-inch lemon pie requiring ½ cup of lemon juice?
1/2 cup = 8 TBSP
2 lemons yield 4 TBSP
So, 4 lemons yield 8 TBSP
And 4 lemons cost $2
