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Chapter 3: Q. 3.106 (page 393)

The elevator in Yehire鈥檚 apartment building has a sign that says the maximum weight is 2,100 pounds. If the average weight of one person is 150 pounds, how many people can safely ride the elevator?

Short Answer

Expert verified

14 people can safely ride the elevator.

Step by step solution

01

Step 1. Given information 

We have been given that the elevator has a sign that says the maximum weight is 2,100 pounds and the average weight of one person is 150 pounds.

We have to find how many people can safely ride the elevator.

02

Step 2. Translate the given information into an inequality.  

Choose a variable to represent that quantity.

Let x=number of people

The elevator has a sign that says the maximum weight is 2,100 pounds and the average weight of one person is 150 pounds.

150鈮�2100

03

Step 3. Solve the inequality 

150x鈮�2100x鈮�2100150x鈮�14

It means that 14 people can safely ride the elevator.

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