A can knit a pair of socks in 3 days. and B can knit the same pair of socks in 9days. if they both are working together. so in how many days will they knit 2pair of socks?
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Answer:
9/2 or 4 1/2
Step-by-step explanation:
in 1 day
A = 1/3
B= 1/9
A+B = 1/3+1+/9=4/9
THEN,
A+B 1pair of socks = 9/4
A+B 2 pairs of socks = 9/4*2=9/2
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