Question
At a factory, Michael could assemble 6 toy helicopters in a day while Pierre could assemble 5 more toy helicopters than him in a day. If Pierre was absent for 4 days, how many days would he need to assemble 18 more toy helicopters than Michael?
3 m

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At a factory, Michael could assemble 6 toy helicopters in a day while Pierre could assemble 5 more toy helicopters than him in a day. If Pierre was absent for 4 days, how many days would he need to assemble 18 more toy helicopters than Michael?