Question
At a factory, Perry could assemble 9 robots in a day while Tommy could assemble 5 more robots than him in a day. If Tommy was absent for 4 days, how many days would he need to assemble 12 more robots than Perry?
3 m

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At a factory, Perry could assemble 9 robots in a day while Tommy could assemble 5 more robots than him in a day. If Tommy was absent for 4 days, how many days would he need to assemble 12 more robots than Perry?