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 Apr 2, 2020
 #1
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If they sold 7 pak black   and  2 pack red   and 4 pack green    that would total    7x3   +   2x5    +  4x6 =  55 pens   

     they sold  FOUR times that many pens (220)       220/55 = 4   

            so the true number of packs must all be multiplied by 4      green packs from ratio is 4      multiply by 4 = 16 packs of green were sold on Monday

                    16 packs x 6 green pens in each pack = 96 green pens sod on Monday

 Apr 2, 2020

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