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

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)