A women sells 3 different size(in kgs) packs of sugar which are multiples of 1.A person who buys sugar should buy all types of packs.4 different people buys 20,21,23,29 kgs .
what will the maximum and minimum amounts a person can buy??
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Answer:UNITARY METHOD SHOULD BE APPLYED
Step-by-step explanation:
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21 minimum
and 29 maximum
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