Q7:- A contractor purchased a concrete mixing plant for an amount of 100 million dinars, so if the useful life of the plart is 8 million cubic met ers, and the book value in the four th year is 50 million dirars calculated by the fxed ratio method, the contractor wanted to submit a bid to supply concrete for one of the construction sites. Whet the minimum supply price of a cubic meter to be recorded in the priced table of quantities? If you know that the production capacity of the plant (400 cubic meters / day), the costs of fuel and operation (5 thousand dinars / cubic meter), maintenance (5 million dinars / cubic metres), neglect the annual profit and tax, neglect the time value of money, use the method of summing the numbers of years.

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.