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13 January, 20:17

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

+1
Answers (1)
  1. 13 January, 21:45
    0
    The answer to #4 is no solution
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