two painters a and b paint the bungalow in 3 days if A alone can paint the bungalow in 12 days in how many days b alone complete the same work
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Answer:
A friend asked you for advice about what to eat before an important examination. In 80 to 100 word, write a letter to give advice to him/her about proper eating
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5
Answer: 4 days
Step-by-step explanation:
A alone can paint 12 Days...
B alone can paint x Days...
but if they combined can paint 3 Days...
By this way,
1/12 + 1/x = 1/3
3x+36=12x (÷3)
x+12=4x
3x=12
x=4
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