Last week, brianna earned $565.75, which included a $100 bonus. she makes $11.50 an hour. with x representing the number of hours worked, which equation and solution can be used to show how many hours brianna worked last week? 11.5x + 100 = 565.75; x = 40.5 100x + 565.75= 1150; x = 5.8 100x + 11.5 = 565.75; x = 5.5 11.5x−100=565.75; x=58