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2 years ago

6

It takes two painters 4 days to complete a job. How long does does 1 painter take for the same job?

2 answers:

yulyashka [42]2 years ago

7 0

It will take 8 days

erma4kov [3.2K]2 years ago

3 0

Answer:

Eight days in total.

Step-by-step explanation:

If it takes two painters four days to paint, one person should take twice as long, because of not having help from another person to make the painting process quicker. So, the single person would take eight days to paint in the same job. (Hope this helps!)

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A bucket contains 40 red balls, 25 black balls, and 35 white balls. Two balls are drawn at random. What is the probability that

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Answer:

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Step-by-step explanation:

Given

$Black = 25$

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Required

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First, we need to calculate the number of red and black balls

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$Probability = P(Black\ and \ Red) \ or\ P(Red\ and \ Black)$

Convert to mathematical expressions

$Probability = [P(Black) *P(Red)] + [P(Red) *P(Black)]$

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So, we have:

$Probability = [P(Black) *P(Red)] + [P(Red) *P(Black)]$ $Probability = [\frac{25}{100} *\frac{40}{100}] + [\frac{40}{100} *\frac{25}{100}]$

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Step-by-step explanation

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