MATHEMATICSARE TOO NARROW TO BE THE MAIN POINT.

23. c. There are three steps involved in solving thishour for 3 hours, or 15 papers; Joe grades 4problem. First, convert 4.5% to a decimal: 0.045.papers an hour for 2 hours, or 8 papers, soMultiply that by $26,000 to find out how muchtogether they grade 23 papers. Because there

3

the salary increases. Finally, add the resultare 50 papers, the percentage graded is

2

0

, which

5

($1,170) to the original salary of $26,000 to findis equal to 46%.