Plantear ecuaciones MEZCLAS y LEY SECUNDARIA (2ºESO) incognita matematicas

If this video helps you and you want unicoos to continue growing, SUBSCRIBE, click "Like," and SHARE it. If you also join us at http://www.unicoos.com, it'll be great. #seeyouinclass For 2nd and 3rd year SECONDARY SCHOOL students, we'll pose and solve two exercises with equations. In this case, they relate to MIXTURES and the LAW of an ingot. Here's the statement for one of them: "A merchant mixes two types of oil at €6/liter and €7.2/liter. How many liters of each type of oil must be added to the mixture to obtain 60 liters at €7/liter?" RECORDERS to see if you're paying attention ;-) Minute 7:08 This is called being "DIRTY." I say 432, I write 435....!!! XDD!!! The correct answer would be 10 liters. You can see other similar exercises in this section of the website: http://www.unicoos.com/asignaturas/ma... or in this playlist: http://www.youtube.com/course?list=EC... Follow us on: YOUTUBE:    / unicoos   FACEBOOK:   / unicoos   (Like) TWITTER:   / unicoos   (@unicoos) GOOGLE +: http://www.google.com/+unicoos WEB: http://www.unicoos.com And if you'd like to help me subtitle the videos in other languages, I'd be incredibly grateful... http://www.amara.org/en/profiles/vide...