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20-02-2020
Mathematics

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A carpenter has 40 finishing nails and 50 casing nails in a box. He is using only the finishing nails for the project that he is working on. Which is the probability that the first 2 nails the carpenter picks randomly from the box are both finishing nails?

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20-02-2020

Answer:

About 22.5%

Step-by-step explanation:

50-40=10

50/10=5%

45% to get one finishing nail and divide by 2

About 22.5%

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