Lenny is mating his
dry soap. The recipe calls for 2 parts borax, 2 parts washing soda, and 1 part soap flakes. if Lenny
uses 7 curs of soap flakes, how
many cups of borax and washing soda combined does he need? (1 point
Since the recipe calls for 1 part soap flakes and Lenny uses 7 cups of soap flakes, he would need 7 cups of borax and 7 cups of washing soda.
Therefore, Lenny needs a total of (7 + 7) = <<7+7=14>>14 cups of borax and washing soda combined.