If 20 workers can build a wall in 36 hours find the number of workers required to build the wall in 24 hours
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30 HOURS
Step-by-step explanation:
20/2=10
36/2=18 hours
SO IT MEANS 10 WORKERS CAN FINISH 18 HOURS
SO IF WE ADD 10 WORKERS
30 WORKERS/3=10
24/3=8 HOURS
SO IF YOU ADD ANOTHER 1O WORKERS, 10 WORKERS CAN FINISH 8 HOURS WHICH MEANS IF THEY ARE 30 THEY CAN FINISH IT ON 24 HOURS
ANSWER: 30 HOURS
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