Concept explainers
Write a rule in words and as an algebraic expression to model the relationship in each table.
The local video store charges a monthly membership fee of $5 and $2.25 per video.
To find: The algebraic expression to model the given relation in the table and the rule in words.
Answer to Problem 19P
The algebraic expression is
Explanation of Solution
Given information: The charge for monthly membership fee in a local video store is $5 and per video cost $2.25. Also a table given,
Video(v) | Cost(c) |
1 | $7.25 |
2 | $9.50 |
3 | $11.75 |
Calculation:
Let, the number of videos be v and total cost be c.
Cost for one video = $2.25.
Monthly membership charge = $5.
The rule in words is $2.25 is multiplied with the number of videos and added with the monthly membership charge which is $5.
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