text: # Math
  
  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)
  
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  1. 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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  2. m, klm hkjnm,jnmkjmnk,
  
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  3. it is (1,30) (3,90) i'm right trust me
  
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