19. Markup Solve for r in the formula M = L + rL where M is the markup price, L is the list price, and r is the discount rate.
a. An item with a list price of $63.80 is marked up to $121.80. Find the discount
rate. Round your answer to the nearest whole percent.
b. An item with a list price of $65 is marked up to $146.25. Find the discount rate.
eserved.

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?