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Joan and Jessica werr able to dig a garden in 6 hours together. it takes jessica 11 hours to do this job alone. without help, how long would it take Joan to do this job?

Joan and Jessica werr able to dig a garden in 6 hours together. it takes jessica 11 hours to do this job alone. without help, how long would it take Joan to do this job?
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Joan and Jessica werr able to dig a garden in 6 hours together. it takes jessica 11 hours to do this job alone. without help, how long would it take Joan to do this job?

User Rav
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5 hours, I think. Hope it helped! :)
User Maxim Mazurok
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