Cost-Effective Choices and Comparisons

This video tutorial covers lesson 20 on comparison shopping, focusing on unit price and related measurement conversions. It includes discussions on math fact completion rates, cereal price comparisons, and analyses of various products like watermelon, soda, batteries, and more. The lesson also explores motorcycle efficiency, copy machine rates, text message plans, and security system commissions, providing practical examples to enhance understanding of unit rates and cost analysis.

What is the main focus of Lesson 20?

• Comparison shopping and unit price

• Understanding algebraic expressions

• Statistics and probability

• Geometry and shapes

How is the completion rate 'K' determined for Kier?

• By using the equation M = 5T

• By dividing time by the number of facts

• By adding the number of facts and time

• By multiplying the number of facts by time

Who has the highest math fact completion rate?

• Kier

• Gio

• All have the same rate

• Ebony

Which cereal box offers a better unit price?

• Neither is a good buy

• Both have the same unit price

• 13 oz box at $3.99

• 10 oz box at $2.79

What is the unit price per pound for the watermelon at Kingston's Market?

• 37 cents

• 44 cents

• 42 cents

• 39 cents

Which pack of soda is more cost-effective?

• 20-pack at $5.48

• Neither is cost-effective

• 12-pack at $3.99

• Both are equally cost-effective

How much does a single battery cost in the 12-pack option?

• 64 cents

• 58 cents

• 62 cents

• 60 cents

Which motorcycle is more fuel-efficient?

• Neither is efficient

• Sports bike with 57.5 mpg

• Both have the same efficiency

• Leisure bike with 55 mpg

Which copy machine should the principal choose for faster copying?

• Super Fast Deluxe

• Quick Copy

• Both are equally fast

• Neither is fast

How many more text messages does Miranda send compared to Amelia per week?

• 15 more messages

• 5 more messages

• 20 more messages

• 10 more messages