Question
At a factory, Warren could assemble 9 robots in a day while Julian could assemble 3 more robots than him in a day. If Julian was absent for 4 days, how many days would he need to assemble 13 more robots than Warren?
3 m

Click button first when a symbol is required. X

At a factory, Warren could assemble 9 robots in a day while Julian could assemble 3 more robots than him in a day. If Julian was absent for 4 days, how many days would he need to assemble 13 more robots than Warren?