@qMIXTURE TUTORIAL -- PART 2. Here is a sample Mixture Problem involving two different types of coffee.@dwhite&d(0,)@jA merchant wants to mix 10 pounds of Espresso, worth $5.00 per pound, with 5 pounds of French coffee, worth $2.00 per pound. What is the Price per Pound of the mix?&d(0,)@rREAD@pRead the whole problem. Think: What are the facts? What is being asked? (Any key to continue.)@hWhat are the facts? &q10 pounds of Espresso, worth $5.00 per pound&q&q5 pounds of French, worth $2.00 per pound&q@hWhat is being asked?\n&hWhat is the Price per Pound of the mix?&h@i(0)@rPLAN&d(0,The merchant combines two types of coffee to make a blend.)@dcoffee@r&d(0,                 COFFEE)@rPLAN&d(0,The Whole mixture, the Blend, is the sum of the Parts.)&d(0,An "Equation Idea" expresses the Plan in general terms.)&c(16,Espresso + French = Blend)&d(0,The Price of the Blend is the sum of the Price of the Espresso and the Price of the French.) @dg02&c(1,Espresso)&c(2,French)&c(3,Mix)&d(4,Price/Unit)&d(8,# Pounds)&d(12,Price)&c(16,Espresso + French = Blend)@rDATA ENTRY@pFill in the grid. Express the Price per Pound (in cents) of the Espresso.@hThe price per pound (in cents) of the Espresso is `500 ct/lb'.&qEspresso, worth $5.00 per pound&q@hEnter `500 ct/lb' and press the <Return> key.@i(5,i,500)&d(5,500 ct/lb)@pExpress the Price per Pound (in cents) of the French coffee.@hThe price per pound (in cents) of the French coffee is `200 ct/lb'.&qFrench coffee, worth $2.00 per pound&q@hEnter `200 ct/lb' and press the <Return> key.@i(6,i,200)&d(6,200 ct/lb)@pEnter the facts from the problem into the grid. Begin with the amount of Espresso in the Blend.@hThere are &h10 pounds of Espresso&h.@hThere are &h10 pounds of Espresso&h.\nEnter `10' and press <Return>.@i(9,i,10)&d(9,10 lb)@pEnter the amount of French coffee in the Blend.@hThere are &h5 pounds of French coffee&h.@hThere are &h5 pounds of French coffee&h.\nEnter `5' and press <Return>.@i(10,i,5)&d(10,5 lb)@pEnter the weight of the Mix.@hAdd the weights of the two coffees to get the weight of the Mix, so the Mix will weigh `15' pounds.@h\f06Espresso + French = Mix\n\f06   `10   +    5'@i(11,i,15)&d(11,15 lb)@pRepresent the Price of the Mix.@hUse a variable to represent the Price of the Mix.@hChoose any letter, such as `p', to represent the Price of the Mix.@i(7,i,&v) @rPARTS@pWrite an expression to represent the Price of the Espresso. Multiply the Price/Unit by the Number of Pounds.@hPrice per Pound \f17* # of Pounds \f31= Price.\n   ` 500        \f17*        10 '@hEnter `500 * 10'.@i(13,i,500*10)@pWrite an expression to represent the price of the French. Multiply the Price/Unit by the Number of Pounds.@hPrice per Pound \f17*  # of Pounds \f31= Price. \n `  200         \f17*        5 '@hEnter `200 * 5'.@i(14,i,200*5)@pRepresent the Price of the Mix by multiplying the Price/Unit by the Number of Pounds of coffee in the mix.@hPrice per Pound \f17* # of Pounds \f31= Price. \n  ` &v            \f17*       15 '@hEnter `&v * 15'.@i(15,i,15&v)@rWHOLE&w(16)&d(0,Next you will fill in values in the Equation Idea.)&d(16,)@pUse the Equation Idea to write an equation to relate the Parts to the Whole: Espresso + French = Mix.@hUse the bottom line of the grid to form the equation.@hEspresso val \f12+French val \f25= Total val \n   ` 5000       \f12+     1000      \f25=  15&v '@i(16,i,5000+1000=15&v)@s@rCOMPUTE@pUse the Calculator to solve the equation for "&v".@hThe Calculator solves equations for you and displays steps in the solution.@hIsolate "&v" on one side of the equation.@i(16,i,&v=400)@pNow fill in the answer(s) to the problem. Remember the question. &hWhat is the Price per Pound of the Mix&h@hThe Price/Unit of the Mix is equal to "&v".@hThe Price/Unit of the Mix is equal to "&v". &v = `400'@i(7,i,400)@s@rCHECK&d(0,Reread the problem. Check your answers. Evaluate the remaining expression.)@pSubstitute for "&v" in the expression for the Price of the Mix.  Now calculate.@h15&v = 15*400 = `6000' cents@hEnter `6000'.@i(15,i,6000)&d(0,Make sure the sum of the Prices of the coffees equals the Mix Price.)@jThis ends the Tutorial. You are now ready to solve some problems. Choose "Mixture Problems" "Level 2".&d(0,)|