Real-World Application of Ratios and Proportions

The video covers Math 6 Unit 3 Lesson 1, focusing on estimation and rate calculations. It begins with an activity estimating the height of the Hyperion tree, followed by calculating the time needed to wash all windows of the Burj Khalifa. The lesson also includes a climbing rate problem and weight calculations on the moon. Real-world applications of rates and equivalent ratios are discussed, and the video concludes with practice problems and solutions.

If a person is 6 feet tall, how many people tall would the Hyperion tree be if it is estimated to be 400 feet?

• 70 people

• 66.67 people

• 60 people

• 50 people

How long does it take to wash one window if a crew washes 15 windows in 18 minutes?

• 1.5 minutes

• 1.8 minutes

• 2 minutes

• 1.2 minutes

If a climber ascends 138 meters in one hour, how far will they climb in 5 hours?

• 828 meters

• 690 meters

• 552 meters

• 720 meters

What is the weight of a boy on the Moon if he weighs 60 pounds on Earth?

• 11.25 pounds

• 12 pounds

• 10 pounds

• 13.5 pounds

If a woman weighs 160 pounds on Earth, how much would she weigh on Mars?

• 40 pounds

• 50 pounds

• 64 pounds

• 70 pounds

How far can an elevator travel in 12 seconds if it moves 310 feet in 10 seconds?

• 400 feet

• 372 feet

• 450 feet

• 420 feet

If Han earns $33 for 4 hours of babysitting, how much will he earn for 7 hours?

• $55.75

• $57.75

• $61.75

• $59.75

How much does one can of dog food cost if 5 cans cost $4.35?

• $0.90

• $0.87

• $0.85

• $0.75

How long will it take to clear and set 26 tables if it takes 10 minutes for 4 tables?

• 75 minutes

• 65 minutes

• 60 minutes

• 70 minutes

If a sandwich shop uses 91 ounces of meat and cheese in an hour, how many sandwiches were made if each uses 7 ounces?

• 11 sandwiches

• 12 sandwiches

• 13 sandwiches

• 14 sandwiches