is 5 DVDs for $9 and 15 DVDs for $27 a porportional relationship

Mathematics · Middle School · Sun Jan 24 2021

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Determine if 5 DVDs for $9 and 15 DVDs for $27 has a porportional relationship

Solution:

In order to determine if the values have a proportional relationship, we simply need to take the unit rate or the cost of each DVD, this can be done by dividing the cost by the number of dvd

= $9/5
=$1.8

= $27/15
=$1.8

It can be seen that the value of is the same, hence we can categorized the DVD cost to be proportional.

Final answer:

Proportional