Question

a and b can do a given piece off work ok in 8 days b and c we can do do the same work ok in 12 days and a a b AC complete 88 in six days in how many e days can n.a. a and c finish it​

Answer 1

Let work rate of A be a

Let work rate of B be b

Let work rate of C be c

So,

a + b = 1/8 ………(1)

b + c = 1/12………(2)

a + b + c = 1/6………(3)

Sub Eq(1) in Eq(3), we get

c = 1/24

Sub value of c in Eq(2), we get

b = 1/24

Sub value of b in Eq(1), we get

a = 1/12

So,

a + c = 1/8

So, A and C will complete the work in 8 days

Answer 2

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