El deposito de Gasolina para la calefaccion de de nuestrl instituto tiene la capacidad de 1500 litros este trimestre se han consumido dos quintos de su contenido .¿cuantas Litros de gasoil quedan?​

How do you use the elimination method for this question? explain, because i really want to understand!

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?