Formulate a system of simultaneous equations

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A sales man has the following record of sales during three months for three items A, B and C which have different rates of commission

Months

Sales in units

A

Sales in units

B

Sales in units

C

Total Sales (Ksh.)
January   90 100 20 800
February 130 50 30 900
March 60 100 40 850

Let X1, X2 and X3 be the selling price unit in sh. on item A, B and C respectively.

d) Formulate a system of simultaneous equations for the above information.

e) Use matrix algebra to determine the selling price per unit of each item.

Reference no: EM133266079

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