Mathematics, 05.02.2020 07:53, ausemkattom3034
The cost c of printing a magazine is jointly proportional to the number of pages p in the magazine and the number of magazines printed m. (use k for the constant of proportionality.)
(a) write an equation that expresses this joint variation.
(b) find the constant of proportionality if the printing cost is $65,550 for 3800 copies of a 115-page magazine.
(c) how much would the printing cost be for 3500 copies of a 84-page magazine?
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