
a.
Draw the graph of the two equations.
a.

Explanation of Solution
Given:
It is given in the question that x is the number of years since and y is the percent of people paying bills, the following equations represent the percents of people writing checks to pa their bills and the percent of people paying their bills online. The equations are
Graph:
The graph for
Interpretation: Here, put the both equation
In the above graph, it can be easily seen that the two graph intersect at
b.
Find the year at which the writing and the online payment were used equally. Check it.
b.

Answer to Problem 26PPS
The both writing and the online payment were used equally nearly after
Explanation of Solution
Given:
It is given in the question that x is the number of years since and y is the percent of people paying bills, the following equations represent the percents of people writing checks to pay their bills and the percent of people paying their bills online. The equations are
Concept Used:
In this, use the concept of linear equations by understanding the correct variable and constant .
Calculation:
Here, the solution is
So, it is a solution for the first equation.Now check the second equation.
So, it is a solution for the second equation.
Hence, The both writing and the online payment were used equally nearly after
The both writing and the online payment were used equally nearly after
Chapter 6 Solutions
Algebra 1
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