<u><em>Harry started a new job in 2003. His salary was $31,000. At the beginning of the next year he will receive a raise of $1500. Assume he will receive the same raise every year. </em></u>
<u><em>S=31000+1500Y Where S is salary and Y is # of years b) Salary in 5 years; =31000+1500(5) =31000+7500 =38500 </em></u>
nCr you have n items and how many ways are there to chose r of them
nCr= remember than n! means n times all numbers before like 3!=3*2*1, 5!=5*4*3*2*1 9 stations, how many ways are there to chose 6 of them 9C6== = = = = 84