please answer the question given in image
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Answered by
69
answer : 24 days .
Explanation :
Let total wOrk =24
A+b=1 ...... (1)
12/a+12/b=50
6/a+6/b=25............(2)
From 1 & 2 we get,
6/(1-b) +6/b=25
6b+6-6b=25b(1-b)
6=25b-25b²
25b²-25b+6=0
(5b - 3) • (5b - 2)=0
B=3/5, 2/5
since A > B
24*2/5*5/2=24 days (C)
Answered by
1
Answer:
24 days
Explanation:
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