12 labours can build a wall in 24 days. how long will 8 labours take to build the sme wall ?

if 12 laborers take 24 days build wall, wall require (12 x 24) 288 man days construct. if 8 laborers used build same size wall take 288 man days divided 8 men or 36 days.

suggested take 32 days 8 men build same size wall, able complete (8 x 32) = 256 man days of work not required 288 man days. 32 man days short of being complete. 32 divided 8 equal 4 more days complete. surprise, surprise 32 man days plus 4 additional man days equals 36 man days suggested.

or 8 divided 12 equals 8/12 or 2/3 or 0.66666 amount of original work force. means perform 2/3 amount of work in same time frame (24 days ). 8 laborer crew therefore have work 3/2 (1.5) time complete same amount of work 12 laborer crew. 24 days required 12 laborer crew times 1.5 equal 36 days 8 laborer crew. surprise, surprise.

worth laborers build masonry walls, concrete , framed walls. masons build block , brick walls , carpenters build framed walls , forms concrete walls. although have other principle tasks assist masons, carpenters, electricians, mechanical, etc. trades. don't build walls.

12 labours can build wall in 24 days. how long 8 labours take build sme wall ?

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