22guardl
22guardl 22guardl
  • 10-11-2020
  • Mathematics
contestada

Twelve books cost $59.88 and 21 books cost $104.79. Is there is a constant of proportionality between these purchases?

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destinystrangfeld06
destinystrangfeld06 destinystrangfeld06
  • 10-11-2020

the answer to your question is $4.99

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