dan51 dan51
  • 25-07-2017
  • Mathematics
contestada

it takes trevon ten hours to clean an attic. cody can clean the same attoc in seven hours.find how long it would take them if they worked together.

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nicolson123
nicolson123 nicolson123
  • 25-07-2017
(17/70)x = 70/70(17x)/70 = 70/7017x = 70x = 70/17x ≈ 4.1176
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