Question
At a factory, Peter could assemble 7 toy helicopters in a day while Daniel could assemble 5 more toy helicopters than him in a day. If Daniel was absent for 2 days, how many days would he need to assemble 15 more toy helicopters than Peter?
3 m

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At a factory, Peter could assemble 7 toy helicopters in a day while Daniel could assemble 5 more toy helicopters than him in a day. If Daniel was absent for 2 days, how many days would he need to assemble 15 more toy helicopters than Peter?