Piano lessons cost $30 per lesson. Find ordered pairs that represent the total cost for x number of lessons.
(–1,–30)
(0,30)
(1,30)
(1.5,50)
(3,90)
3 answers
Assuming that the first number is the number of lessons, (1,30) and (3,90). (-1,-30) might apply, if receiving a refund for a missed lesson.
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it is (1,30) (3,90) i'm right trust me