Calculating Tax, Tip, and Discount with Proportions

This video tutorial covers how to solve problems involving tax, tip, and discount using two methods: sliding and multiplying, and using proportions. It explains how to calculate the discount on a $45 shirt with a 30% discount, the tip on a $35 meal with a 15% tip, and the tax on a $65 pair of shoes with a 5.4% tax. The video also demonstrates how to calculate the total cost of a meal with a tip and the sale price of a shirt with a discount. The tutorial emphasizes the importance of understanding both methods to solve these types of problems effectively.

What are the two methods mentioned for calculating tax, tip, and discount?

• Subtraction and addition

• Direct multiplication and subtraction

• Direct multiplication and proportions

• Proportions and addition

Tags

CCSS.6.RP.A.3B

How much will you save on a $45 shirt with a 30% discount?

• $13.50

• $15.00

• $10.50

• $12.00

Tags

CCSS.6.RP.A.3C

In the proportion method, what is the percentage always placed over?

• 100

• 1000

• 50

• 10

What is the tip amount on a $35 meal with a 15% tip?

• $6.00

• $5.00

• $4.50

• $5.25

Tags

CCSS.6.RP.A.3C

What is the decimal equivalent of a 15% tip?

• 0.15

• 1.5

• 0.015

• 15.0

What is the tax amount on a $65 pair of shoes with a 5.4% tax?

• $3.25

• $4.00

• $3.75

• $3.51

Tags

CCSS.6.RP.A.3C

What is the decimal equivalent of a 5.4% tax?

• 0.0054

• 5.4

• 0.54

• 0.054

What is the total cost of a $70 meal with a 15% tip?

• $90.00

• $85.00

• $80.50

• $75.00

Tags

CCSS.6.RP.A.3C

If a $54 shirt has a 45% discount, what is the sale price?

• $31.50

• $32.00

• $30.00

• $29.70

Tags

CCSS.6.RP.A.3C

How much will you pay for a $54 shirt with a 5% tax?

• $57.00

• $54.50

• $55.00

• $56.70

Tags

CCSS.6.RP.A.3C