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Lelechka [254]
3 years ago
9

One person can do a certain job in twenty-one minutes, and another person can do the same job in twenty-eight

Mathematics
1 answer:
ivolga24 [154]3 years ago
4 0

Answer: 12

Step-by-step explanation:

if there are 2 people then doing the same job then that means divide by two so 8 which is off the 28 , 8 divided by 2 is 4, then, that makes 24 , and 24 divided by 2 is 12 so the answer is 12

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