sarahwild44x sarahwild44x
  • 14-09-2020
  • Mathematics
contestada

A certain sum amounts to $2200 in 2 years to $2800 in 4 years at simple interest. Find the sum and the rate per cent per annum.

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abrahan71 abrahan71
  • 14-09-2020
Nugget and even more nuggets
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