Question
At a factory, Lee could assemble 9 toy cars in a day while Fred could assemble 3 more toy cars than him in a day. If Fred was absent for 5 days, how many days would he need to assemble 13 more toy cars than Lee?
3 m

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At a factory, Lee could assemble 9 toy cars in a day while Fred could assemble 3 more toy cars than him in a day. If Fred was absent for 5 days, how many days would he need to assemble 13 more toy cars than Lee?