# SOLUTION: Goodies Club recently ran a bake sale to raise charity. Donuts were sold for $0.50 a piece and the coffee for$0.70 per person. It is known that 120 items were sold and $68 collect Algebra -> Algebra -> Coordinate Systems and Linear Equations -> Linear Equations and Systems Word Problems -> SOLUTION: Goodies Club recently ran a bake sale to raise charity. Donuts were sold for$0.50 a piece and the coffee for $0.70 per person. It is known that 120 items were sold and$68 collect      Log On

 Ad: You enter your algebra equation or inequality - Algebrator solves it step-by-step while providing clear explanations. Free on-line demo . Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help! Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

 Linear Solvers Practice Answers archive Word Problems Lessons In depth

 Question 514493: Goodies Club recently ran a bake sale to raise charity. Donuts were sold for $0.50 a piece and the coffee for$0.70 per person. It is known that 120 items were sold and \$68 collected. How many cups of coffee were sold?Answer by solver91311(16872)   (Show Source): You can put this solution on YOUR website! Let be the number of donuts. Let be the number of cups of coffee. Then: I converted dollars/cents to just cents because I don't like decimal coefficients. Now all you have to do is solve the 2X2 system for . Hint: Solve the first equation for either variable in terms of the other and then use the substitution method. John My calculator said it, I believe it, that settles it