what is the most you would pay today for a promise to repay you $6,000 at the end of 6 years if your opportunity is 12%

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Regular price 75$ discount 25%sale price?

Which value would be a solution for x in the inequality 47-4x< 7