questions:the management of David company planned to expand its business by purchasing automatic machines and semi-automatic machines. the cost of an automatic machine is $20 000 and the cost of semi-automatic is $9 000.

i) if 80 machines were purchased for the amount $950,000, from two linear equations for David company.

ii)write the equations in (i) in the matrix form Ax=B

iii) how many machines of each type that are needed by David company? (use the matrix inversion methods)

Question

questions:the management of David company planned to expand its business by purchasing automatic machines and semi-automatic machines. the cost of an automatic machine is $20 000 and the cost of semi-automatic is $9 000.

i) if 80 machines were purchased for the amount $950,000, from two linear equations for David company.

ii)write the equations in (i) in the matrix form Ax=B

iii) how many machines of each type that are needed by David company? (use the matrix inversion methods)