Rates and Ratios in Real Life

This video tutorial covers the concept of unit rates and equivalent ratios, using various examples to illustrate how to calculate and interpret them. Examples include calculating miles per hour, laps per minute, pools cleaned per hour, pages typed per minute, swimming speed in meters per second, and cost per apple. The tutorial uses diagrams and charts to help visualize the problems and solutions, emphasizing the importance of understanding ratios and unit rates in real-world contexts.

What is a unit rate?

• A rate with equal numerator and denominator

• A rate with a numerator of one

• A rate with a denominator of zero

• A rate with a denominator of one

If the ratio of miles to hours is 434 to 7, what is the rate in miles per hour?

• 63 miles per hour

• 61 miles per hour

• 60 miles per hour

• 62 miles per hour

How can you express the ratio 5 to 4 as a rate?

• 1 and 1/5 laps per minute

• 1 and 1/3 laps per minute

• 1 and 1/2 laps per minute

• 1 and 1/4 laps per minute

What is the unit rate if the rate is 6 feet per second?

• 1

• 12

• 6

• 0.5

Dave cleans pools at a rate of 3/5 pools per hour. How many pools can he clean in 10 hours?

• 5 pools

• 6 pools

• 8 pools

• 7 pools

Emeline types at a rate of 1/4 pages per minute. How long will it take her to type a 7-page article?

• 28 minutes

• 20 minutes

• 30 minutes

• 25 minutes

Xavier swims at 5/3 meters per second. Can he complete a 100-meter race in 55 seconds?

• Yes, he finishes in 55 seconds

• No, it takes him 70 seconds

• Yes, he finishes in 50 seconds

• No, it takes him 60 seconds

How many apples can Akia buy with $10 if each apple costs $1.25?

• 8 apples

• 7 apples

• 6 apples

• 9 apples

If Christian has $6, how many apples can he buy at $1.25 each?

• 4 apples

• 6 apples

• 5 apples

• 3 apples

What is the ratio of dollars to apples if each apple costs $1.25?

• 1 to 1.25

• 1.5 to 1

• 1.25 to 1

• 1 to 1