waqas20480 waqas20480
  • 07-01-2018
  • Mathematics
contestada

8 kg of potatoes and 5 kg of carrots cost $28 whereas 2 kg of potatoes and 3 kg of arrot cost $11.20.what is the cost of 1 kg of each item

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Baileereynolds Baileereynolds
  • 07-01-2018
I hope this helps....

let one kg of potatoes be x
let one kg of carrots be y
8x + 5y = 28
(4) 2x + 3y = 11.2 (4)
8x + 12y = 44.8

7y = 16.8
y=2.4
x=2

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