Concept explainers
To Check:Whether the proportional relationships exists between the two quantities.
Answer to Problem 24MCQ
The quantities are in proportional relationship
Explanation of Solution
Given:Determine whether the proportional relationships exists between the two quantities shown in each of the function indicated.
To determine if the quantities are proportional
Let the one ticket be x
It is given that cost of ticket is $12.75
Then the equation becomes
x=$12.75
Now taking any number of tickets as
x=$12.752x=2×$12.75=$25.53x=3×$12.75=38.25
Find yx for the points.
i.e.
Ratio of cost by ticket is .
yx12.751=12.7525.52=12.7538.253=12.75
Since the ratios are equal the quantities are in proportional relationship
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