Question
At a factory, Justin could assemble 8 robots in a day while David could assemble 5 more robots than him in a day. If David was absent for 4 days, how many days would he need to assemble 19 more robots than Justin?
3 m

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At a factory, Justin could assemble 8 robots in a day while David could assemble 5 more robots than him in a day. If David was absent for 4 days, how many days would he need to assemble 19 more robots than Justin?