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MEN. DAYS
7 30
x 21
THERE IS AN INVERSE PROPORTION
BTQ,
7/x= 21/30
x= 10
Therefore there were 10 men, and since there were already 7 men ,more 3 men joined
7 30
x 21
THERE IS AN INVERSE PROPORTION
BTQ,
7/x= 21/30
x= 10
Therefore there were 10 men, and since there were already 7 men ,more 3 men joined
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