Jaunae15 Jaunae15

02-10-2017
Mathematics

contestada

Jessica can paint a room in 12 hours. If Mary helps, it takes them 10 hours. Without help how long would it take for mary to finish this job?

Respuesta :

Zachary101234 Zachary101234

02-10-2017

Well we know that mary can help remove 2 hours. that means it must take her 12+2=14 hours for mary to finish the job

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