Understanding Rates and Unit Costs

The video tutorial explains the difference between ratios and rates, using examples like diet cola pricing and video game costs to illustrate the concepts. It also covers calculating travel rates for football fans and determining typing speed for a job requirement. The tutorial emphasizes the importance of understanding ratios as comparisons of two numbers and rates as expressions of those comparisons with units.

What is the main difference between a ratio and a rate?

• A ratio includes units, while a rate does not.

• A ratio is always larger than a rate.

• A rate includes units, while a ratio does not.

• A rate is always larger than a ratio.

If four packs of diet cola cost $10, how much does one pack cost?

• $2.00

• $2.50

• $3.00

• $5.00

How do you find the cost of one video game if four games cost $65?

• Multiply 65 by 4

• Divide 65 by 4

• Add 65 and 4

• Subtract 4 from 65

What is the cost of one video game if four games cost $65?

• $16.25

• $32.50

• $116.25

• $65.00

What is the rate of Andre's car if it travels 208 miles in 4 hours?

• 56 miles per hour

• 54 miles per hour

• 52 miles per hour

• 50 miles per hour

Which car has the highest speed based on the given data?

• Grayson's car

• Jana's car

• Matteo's car

• Andre's car

What is the unit rate for Grayson's car if it travels 265 miles in 5 hours?

• 53 miles per hour

• 50 miles per hour

• 51 miles per hour

• 52 miles per hour

How many words per minute can Dominique type?

• 44 words per minute

• 42 words per minute

• 46 words per minute

• 48 words per minute

What is the minimum typing speed required by the publishing company?

• 45 words per minute

• 50 words per minute

• 40 words per minute

• 42 words per minute

Does Dominique qualify for the job based on her typing speed?

• No, she is 5 words per minute short.

• Yes, she exceeds the requirement.

• No, she is 1 word per minute short.

• Yes, she meets the requirement.