45 men can dig a tunnel in 28 days how many more men will be needed to dig in 18 days.
ans 25 this belongs to direct and inverse variation please step by step explanation
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Step-by-step explanation:
48 men can dig a trench in 14 days
1 man can dig a trench in =(14×48) days .. [ less men, more days]
∴28 men can dig a similar trench in =(14×48)/28
=24 days ...[ More men, less days]
Hence, the required number of days for 28 men to dig a trench =24.
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