Problem
An engineering firm makes metal components. Each component requires 0.01 tonnes of steel, 0.5 hours of labour plus 0.5 hours of machine time. Let the number of components produced be denoted by x. Derive algebraic expressions for:
(a) the amount of steel required;
(b) the amount of labour required;
(c) the amount of machine time required.
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.