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In this math lesson, students will use ratios, rates, and proportions to compare different grapefruit juice recipes. They will analyze the ingredients and determine which recipe will have the strongest taste of grapefruit.
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Each year, your class presents its mathematics portfolios to parents and community members. This year, your homeroom is in charge of the refreshments for the reception that follows the presentations.
In this lesson, I will: • Use ratios to make connections. • Use rates and proportions to solve mixture problems.
Ratio • Rate • Proportion
Adam’s Recipe: 4 parts lemon lime soda pop 8 parts grapefruit juice Zeb’s Recipe: 1 part lemon lime soda pop 4 parts grapefruit juice Carlos’ Recipe: 2 parts lemon lime soda pop 3 parts grapefruit juice Bobbi’s Recipe: 3 parts lemon lime soda pop 5 parts grapefruit juice
1. Which of these recipes will have the strongest taste of grapefruit? Show your work and explain your reasoning. Adam’s Recipe Zeb’s Recipe Carlos’ Recipe Bobbi’s Recipe