If 20 men can build a wall 66 metres long in 8 days, what length of a similar can be built by 86 men in 8 days?  Choose the correct choice from the following choices
A) 283.8 mtrs  B) 378.4 mtrs  C) 478.4 mtrs  D) 488.4 mtrs  E) 578.4 mtrs
If 20 men can build a wall 66 metres long in 8 days,   length of a similar wall that can be built by 86 men in 8 days = (66*86*8)/(8*20)= 
<gadget id="calculator">(66*86*8)/(8*20)</gadget>
<output>1_419/5 = around 283.8</output>
283.8 mtrs   283.8 mtrsNSWER:283.8 mtrs
<result>A</result>
If 20 men can build a wall 66 metres long in 8 days, what length of a similar can be built by 86 men in 8 days?