Answer:
Y < ac (Y>0)
Step-by-step explanation:
Let Y represent the number of cups of juice Helena has
Let c represent the number of cups of juice Lila has
Let a represent the time number of cups of juice as Lila. Helena has of a cup of juice less than Miren
Because Helena has of a cup of juice less than Miren so we have: Y < ac when ac is the number of cups that Miren has, so finally, we have 3 variables in this expresion.
Hope it will find you well.