if 5 men take an hour to dig a ditch, then how long should 12 men take a dig to ditch of the same type?
Choices.
A) 25 min	B) 30 min	C) 28 min	D) 20 min	E) 10 min
if 5 men take an hour to dig a ditch, then   12 men will take 5*60/12= 
<gadget id="calculator">5*60/12</gadget>
<output>25</output>
25 mins to dig a ditch of the same type.   25 minNSWER:25 min
<result>A</result>
if 5 men take an hour to dig a ditch, then how long should 12 men take a dig to ditch of the same type?