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Adriana's computer code 20% less than jocelyn's computer. Adriana's computer cost $640. Adriana's computer cost 15% more than corbins computer. Write an equation that could be used to find the cost of jocelyn's computer

Answer :

sqdancefan

Answer:

  640 = 0.80·j

Step-by-step explanation:

Let j represent the cost of Jocelyn's computer (in dollars). Adriana's computer cost 20% less, so has a cost that is 0.80·j. We are told that amount is $640, so we can write the equation ...

  640 = 0.80·j

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