Question
At a factory, Andy could assemble 8 aeroplane models in a day while Ian could assemble 5 more aeroplane models than him in a day. If Ian was absent for 2 days, how many days would he need to assemble 18 more aeroplane models than Andy?
3 m

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At a factory, Andy could assemble 8 aeroplane models in a day while Ian could assemble 5 more aeroplane models than him in a day. If Ian was absent for 2 days, how many days would he need to assemble 18 more aeroplane models than Andy?