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Mathematics, 13.03.2021 08:10 khanaamnaa539
Ted can change an advertisement on a billboard in 5hr. Marie can do the same job in 2hr. How long would it take them if they worked together? Write your answer as a fraction or mixed number, if necessary.
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Ted can change an advertisement on a billboard in 5hr. Marie can do the same job in 2hr. How long wo...
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