Laurie earns $7. 50 per hour at the fruit stand plus an extra $2. 00 per hour on sundays. One week in august, she worked on sunday, monday, and wednesday. She worked the same number of hours on monday and on wednesday. On sunday she worked 4 hours. If she earned a total of $83. 00 for the week, how many hours did laurie work on monday? enter and solve an equation.