Jan quint earns 11.00 an hour at her job and is entitled to time and a half for overtime, and double tie on holidays. Last week
she worked 40 hours of regular time, 9 hours of overtime, and 12 hours of holiday time. How much did she earn last week? A. 720.50
B. 852.50
C.803.00
D.612.00
Let's find an expression for Jan's earnings in terms of normal wage, hourly wage, and overtime wage: x= normal hours y= OT hours z = holiday hours Jan earns 11/hour on normal time. She earns 11 * 1.5 = 16.5/hour on OT She earns 11 * 2 = 22/hour on holidays The expression for her earnings is: 11x + 16.5y + 22z = earnings Plugging in her hours (40 reg, 9 OT, 12 holiday): 11(40) + 16.5(9) + 22(12) = earnings 440 + 148.5 + 264 = earnings