A bakery sells muffins for $3.50 each. A beverage is $1.75. A class purchases 32 items and spends a total of $87.50. Write the system of equations and represent it as a matrix equation. b. State the value of the determinant. c. Use matrices to solve the system. Find the number of muffins and the number of beverages purchased.

Question

A bakery sells muffins for $3.50 each. A beverage is $1.75. A class purchases 32 items and spends a total of $87.50. Write the system of equations and represent it as a matrix equation.  b. State the value of the determinant. c. Use matrices to solve the system. Find the number of muffins and the number of beverages purchased.

anonymous · Answer

My last question!

luigi0210 · Answer

Well here is the system of equations: 
x+y=32
3.5x+1.75y=87.5

anonymous · Answer

So as a matrix equation it would be...

3.5  1.75 |87.5 ?

anonymous · Answer

@kropot72 @Luigi0210 @radar @whpalmer4

luigi0210 · Answer

|dw:1370029644790:dw|