3,168 views
In this video I explain how to solve the following problem by posing a first degree equation with one unknown: By combining three types of coffee: cheap ($ 90 / lb), intermediate ($ 150 / lb) and expensive ($ 180 / lb) you get 45 lb of mixture that is sold at $ 130 / lb. If the amount of cheap coffee beans is twice that of expensive coffee, how many pounds of intermediate type coffee were used? At the end, I check the equation with the #Casio #Classwiz fx-991LA CW calculator. Topic: #MixtureProblems → • MIXTURE PROBLEMS All #algebra videos → • 2. Algebra Topic: #linearequations → • LINEAR EQUATIONS AND AP PROBLEMS... Content 00:00 Greeting and initial information 04:43 Development of the exercise 21:52 Checking on the calculator 28:48 Attention to chat messages and farewell Find Casio Classwiz calculators at: ???? The TEMPORE warehouse in local 601 of the Unicentro Shopping Center in Cali (Colombia) → Instagram: / tempore_casio ; WhatsApp: +57 313 7194035 ???? CASIO stores in Colombia → https://tiendascasio.titec.co/pages/t... ???? Official CASIO digital sales channels in Colombia → https://linktr.ee/st.casio.calculador... Follow the Casio Calculadoras Colombia accounts: ???? Facebook → / st.casio.calculadoras.colombia ???? Instagram → / st.casio.calculadoras.colombia ???? X → / casiocol_st #julioprofe