Se desea mezclar agua con Colonia A, con un 12% de alcohol, con otra Colonia B, con 20% de alcohol, para obtener 120 litros de Colonia con un 15% de alcohol. Calcula Cuántos litros de cada clase de Colonia hay que mezclar

Jorge planted flowers in his garden he planted one row of 12 tulips and one row of 36 daisies george's friend kylie has a garden with 75 flowers in it kylie's garden only contains tulips and daisies. is it possible for kylie‘s garden she have the same ratio of tulips to daisies as george's garden?

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?