Question 4
Solve.
4(a + 3) = 18 – 2(3 – 2a)
–3
–1
all real numbers
no solution
Question 9
Kersha has two jobs. During the day she works as an office clerk, and in the evening she works as a cashier. Her office job pays her $12.00 per hour. Her cashier job pays her $8.25 per hour. In one week, Kersha worked 55 hours. She earned a total of $585.
How many hours did Kersha work in each job?
Office clerk: 35 hours; cashier: 20 hours
Office clerk: 20 hours; cashier: 35 hours
Office clerk: 31 hours; cashier: 24 hours
Office clerk: 28 hours; cashier: 27 hours