A cuatro litros de una solución al 60% se agregan 16 litros de otra solución para obtener 20 litros de solución al 72%. ¿cuál es la concentración de la segunda solución? problemas de mezclas con porcentajes

step-by-step explanation:

hey there!

if she's saving for six months, let's divide the total number we need for the trip by six, dividing it into the amount that needs to be saved for each month.

500 ÷ 6 =

she needs to save at least this amount each month, so we should use this symbol: ≥

let x be the amount she saves each month.

your final answer is x ≥

hope this !

1. minimum

2. 6400

3. eight

hope this !