Elevator Weight Capacity and Conversions

The video tutorial explains how to determine the maximum number of average-weight adults that can safely ride an elevator with a weight capacity of 1.5 tons. It involves converting the weight capacity from tons to pounds, then dividing by the average adult weight of 160 pounds to find the maximum number of adults. The calculation process is detailed, ensuring units are correctly handled, and concludes that the elevator can hold up to 18 adults.

What is the maximum weight an elevator in a mid-rise building can hold?

• 1 ton

• 3 tons

• 1 and 1/2 tons

• 2 tons

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CCSS.4.MD.A.1

How many pounds are there in one ton?

• 1,000 pounds

• 1,500 pounds

• 2,500 pounds

• 2,000 pounds

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CCSS.5.MD.A.1

What is the importance of converting tons to pounds in this problem?

• To change the weight limit.

• To confuse the students.

• To make the problem more complex.

• To understand the weight limit in a familiar unit.

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CCSS.7.EE.B.3

What is the first step in solving the problem of how many adults can ride the elevator?

• Determine the average weight of an adult.

• Calculate the total weight in pounds.

• Convert tons to pounds.

• Divide the total weight by the average weight.

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CCSS.3.MD.A.2

What is the total weight capacity of the elevator in pounds?

• 2,500 pounds

• 3,000 pounds

• 3,500 pounds

• 4,000 pounds

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CCSS.5.MD.A.1

If an average adult weighs 160 pounds, how many adults can the elevator hold?

• 15 adults

• 20 adults

• 18 adults

• 22 adults

What is the simplified fraction of 3,000 divided by 160?

• 75/4

• 150/8

• All of the above

• 300/16

What is the decimal result of dividing 3,000 by 160?

• 18.5

• 18.75

• 19.0

• 19.25

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CCSS.4.MD.A.2

Why can't the elevator hold 19 average-weight adults?

• The elevator is too small.

• It would exceed the weight limit.

• The adults would be uncomfortable.

• The elevator can only hold 18 people.

What happens if the elevator exceeds its weight capacity?

• It will move slower.

• It will stop working.

• Nothing will happen.

• It might fall or malfunction.