Question
At a factory, Justin could assemble 7 toy helicopters in a day while Neave could assemble 5 more toy helicopters than him in a day. If Neave was absent for 3 days, how many days would he need to assemble 15 more toy helicopters than Justin?
3 m

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At a factory, Justin could assemble 7 toy helicopters in a day while Neave could assemble 5 more toy helicopters than him in a day. If Neave was absent for 3 days, how many days would he need to assemble 15 more toy helicopters than Justin?