Question
One canteen bought 73 kg of pork and mutton. 12 of the pork and 25 of the mutton were sold. The amount of mutton sold was 4 kg more than the amount of pork sold.
  1. How much mutton did the canteen buy?
  2. How much pork did the canteen buy? 
4 m
(a)

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(b)

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One canteen bought 73 kg of pork and mutton. 12 of the pork and 25 of the mutton were sold. The amount of mutton sold was 4 kg more than the amount of pork sold.
  1. How much mutton did the canteen buy?
  2. How much pork did the canteen buy?