Gerardo tiene leche con un 5% de crema y leche descremada. ¿Qué cantidades debe mezclar para obtener 45 L de leche con 3.5% de crema?

Plzzz plzz maths ! quadratic sequences =an^2+bn 1) 1,6,15,28,45 2)5,18,39,68,105 3) 1,8,21,40,65 4) 7,24,51,88,135 5) -1,2,9,20,35

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Is it true or false i’m trying to pass this test so i can leave school