If Ryan does a job in 10 hours and with the help of Molly they can do it together in 3 hours, how long would it take Molly to do it alone?

7 Hours

Step-by-step explanation:

Because it takes Ryan 10hrs to finish the job, and with both Ryan and Molly it takes 3hrs to finish the job, so subtract 10 minus 3 and you get 7, therefore it takes Molly 7hrs to finish the job

Hope it's right

sorry i need the points

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