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Letx----------> charge per hour to rent a jet sky in dollarsy----------> the total cost to rent a jet sky in dollarswe know thatFirst Jet Sky Company---------> equationSecond Jet Sky Company---------> equationwe know thatTo find the number of hours for which the costs are the sameequate equationand equationThe intersection both graphs is the solution of the problemusing a graph toolsee the attached figurethe intersection point isThat meansForthe cost of the rent isin both companiesthereforethe answer is...