Three brothers live in a farm. They agreed to buy new seeds: Adam and Ben would go and Charlie stayed to protect fields. Ben bought 75 sacks of wheat in the market whereas Adam bought 45 sacks. At home, they split the sacks equally. Charlie had paid 1400 dollars for the wheat. How much dollars did Ben and Adam get of the sum, considering equal split of the sacks?

• ans: Ben gets 1225 dollars and Adam's get 175 dollars
  
  Total sacks=75+45=120
  Equal split hence equal share of amount.
  So if Charlie paid 1400 then Ben and adam also has to pay 1400 dollars.
  =>Hence the cost of the total purchase=3*1400=4200 for 120 sack
  and Cost of 1 sack =35 dollar
  =>Adam and ben have already paid their part with some part of charlie's
  =>Ben's share from charlie's sum = 75*35 - 1400 (of his own share) = 1225 dollar
  =>and for adam = 45*35 - 1400 = 175 dollar or (1400-1225=175 dollar)
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