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Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?