SOLUTION: write an equation to model the relationship in this table. (in a table) total cost change from $10 $10.00 $0

Question 335040: write an equation to model the relationship in this table.
(in a table) total cost change from $10
$10.00 $0
$9.00 $1.00
$7.50 $2.50
i have figured out some problems somewhat like this and i have asked my algebra teacher to explain and i still didn't understand what he meant. i would greatly appreciate your help.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
write an equation to model the relationship in this table.
(in a table) total cost change from $10
$10.00 $0
$9.00 $1.00
$7.50 $2.50
-------------
Amount owed = 10 - payment
---
C(p) = 10 - p
---
Note:
When p = 10, c = 0
When p = 9, c = 1
Whne p = 7.50, c = 2.50
============================
Cheers,
Stan H.
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