Calculating Rates and Unit Costs

This video tutorial by Mr. Holcomb covers lesson 16, focusing on transforming ratios into rates and unit rates. It includes practical examples such as calculating the cost of diet cola packs, determining the unit price of video games, analyzing driving distances and speeds, and evaluating typing speed. The lesson emphasizes understanding unit rates and their applications in real-world scenarios.

What is the cost of one pack of diet cola if four packs cost $10?

• $2.00

• $4.00

• $3.00

• $2.50

If a video game costs $65 for four games, what is the cost of one game?

• $15.00

• $16.25

• $17.50

• $18.75

How much would three video games cost if one game is priced at $16.25?

• $51.25

• $50.00

• $49.50

• $48.75

What is the unit rate of speed if a driver covers 208 miles in 4 hours?

• 53 mph

• 51 mph

• 52 mph

• 50 mph

If a driver travels 456 miles in 8 hours, what is their speed in miles per hour?

• 55 mph

• 56 mph

• 57 mph

• 58 mph

What is the typing speed of Dominique if she types 704 words in 16 minutes?

• 43 words per minute

• 44 words per minute

• 45 words per minute

• 46 words per minute

What is the minimum typing speed required for the job Dominique is applying for?

• 48 words per minute

• 45 words per minute

• 42 words per minute

• 40 words per minute

In the lesson summary, what is defined as the numerical part of a rate?

• Proportion

• Ratio

• Unit rate

• Rate unit

What is the unit rate if an object travels 15 miles in one hour?

• 10 miles per hour

• 12 miles per hour

• 15 miles per hour

• 20 miles per hour

According to the lesson summary, what does a rate describe?

• A ratio relationship

• A single quantity

• A variable measurement

• A constant value