Concept explainers
Tocheck:Whether the cost is proportional to the number of tickets or not.
Answer to Problem 7IP
The cost of tickets is proportional to the number of tickets as the relationship for the number of tickets and cost is straight line that passes through origin.
Explanation of Solution
Given information:The cost of movie ticket is
Calculation:
As given the cost of movie ticket is
Draw the graph of the line of relationship of number of tickets and cost on the coordinate plane:
Figure(1)
A relationship is proportional if the line joining the points of relationship is a straight line passing through origin.
As observed from graph, the line joining of relationship of number of tickets and cost is a straight line that passes through origin.
Therefore,the cost of tickets is proportional to the number of tickets.
Chapter 5 Solutions
Glencoe Math Accelerated, Student Edition
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