Question

A b c can complete a job in 8 12 16 days respectively.a and c work together for 2 days than leavand b joints.in how many days can a and b finish worke

Answer 1

(a+c)2 +(a+b)x =1
(1/8 +1/16)2 +(1/8 +1/12)x=1
(2+1/16)2 +(3+2/24)x=1
3×2/16 +5x/24=1
3/8+5x/24=1
5x/24=1-3/8
5x/24 =8-3/8
5x/24 =5/8
5x=24×5/8
x=24×5/8×5
x=24/8
x=3days
3 days is answer

Answer 2

answer is 3

please make me a brainlist answer for the question