Question: For questions 9 - 1 1 , define variables, set up a syst 9 . Erin bought 4 jars of jelly and 6 jars of

For questions 9-11, define variables, set up a syst 9. Erin bought 4 jars of jelly and 6 jars of peanut butter of peanut butter for $15.67. Find the cost of a jar 4x+6y=19.32

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