if 10 men can do a work in 30 days in how many days will 20 men can do the same work by ratio and proportional method
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Answer:
Step-by-step explanation:
10 men - 30 days
men : days
10 : 30 = 1: 3
let number of days taken to finish the work by 20 men be x
20 : x = 1 : 3
(a : b = a/b)
20/ x = 3/1
x = 20 /3
Days taken to complete the work is 6 days 4 hours
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