Concept explainers
To state: The two ways to compute the bill if there are five friends and each ordered a sandwich and a drink. The amount of each sandwich is same, similarly each drink cost the same.
The property illustrated by both the methods is Distributive property of real numbers.
Given information:
The given statement says that there are five friends and each ordered a sandwich and a drink. The amount of each sandwich is same, similarly each drink cost the same.
Explanation:
Consider the given situation:
Assume the cost of a sandwich is x and the cost of a drink is y .
Therefore, the two ways of calculating the bill are shown below:
First way:
Calculate the bill of each person:
Now multiply it with number 5 to get the total bill:
Second way:
Find the cost of 5 sandwiches and 5 drinks and then add them.
Calculate the bill of 5 sandwiches:
Calculate the bill of 5 drinks:
Now add both to get the total bill:
Both methods will get the same result because both methods are equivalent.
Therefore,
This relation is shown by the Distributive property
Chapter 1 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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