aakeshyoga123 aakeshyoga123

05-11-2018
Mathematics

contestada

Bob can type two recommendation letters in 4 hours while Bill can accomplish the same task in 6 hours. How many hours would it take them, working together, to type six letters?

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emily9915 emily9915

05-11-2018

Bob can type 6 letters in 12 hours
Bill can type 6 letters in 18 hours

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