brando8 brando8
  • 25-08-2017
  • Mathematics
contestada

What is the product of nine and four less than n is 20

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skyeskye1
skyeskye1 skyeskye1
  • 25-08-2017
4 because 20 is equal to 4
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wikk
wikk wikk
  • 25-08-2017
Product of nine and four less than n is 20.
     ×            9                (n - 4)           =  20

9(n - 4) = 20
9n - 36 = 20
9n = 56
n = 6.22
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