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MIDDLE SCHOOL

Mathematics (Grade 7)

Ratio and Proportional Relationships

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Ratio and Proportional Relationships: Real-World Proportional Situations

Tax, Tip, and Discounts

Description

Tax, Tip, and Discounts

Introduction

Tax, tips, and discounts are common real-world situations in which proportional reasoning is used. These problems involve finding a percentage of a price and adjusting the total cost accordingly.

Transcript

You are dining at a restaurant, and your meal is originally $80. The restaurant is offering a 25% discount. There is also a 7% sales tax, and you leave a 15% tip.

To find out how much you pay in total, first, apply the discount to reduce the price, then calculate the tax and tip on the discounted price.

A 25% means 25 out of every 1...