Question
At a factory, Ahmad could assemble 8 toy helicopters in a day while Oliver could assemble 4 more toy helicopters than him in a day. If Oliver was absent for 2 days, how many days would he need to assemble 19 more toy helicopters than Ahmad?
3 m

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At a factory, Ahmad could assemble 8 toy helicopters in a day while Oliver could assemble 4 more toy helicopters than him in a day. If Oliver was absent for 2 days, how many days would he need to assemble 19 more toy helicopters than Ahmad?