SOLUTION: A student did a word processing job for $24. It took him 1 hour longer than he expected, and therefore he earned $4 per hour less than he anticipated. How long did he expect that

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: A student did a word processing job for $24. It took him 1 hour longer than he expected, and therefore he earned $4 per hour less than he anticipated. How long did he expect that      Log On


   

Question 101123This question is from textbook Algebra for College Students
: A student did a word processing job for $24. It took him 1 hour longer than he expected, and therefore he earned $4 per hour less than he anticipated. How long did he expect that it would take to do the job? This question is from textbook Algebra for College Students

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
let x=expected ... 24%2Fx=%2824%2F%28x%2B1%29%29%2B4

24%2Fx=%2824%2B4%28x%2B1%29%29%2F%28x%2B1%29 ... 24%2Fx=%284x%2B28%29%2F%28x%2B1%29 ... 24x+24=4x^2+28x

x^2+x-6=0 ... (x+3)(x-2)=0 ... x=-3 and x=2 ... negative value not realistic