Respuesta :

fluffycorgi81

Answer: 3 hours

Step-by-step explanation: Subtract the flat fee first. 15-3=12. She earned $12 without the flat fee, so divide that by 4. $12/$4 per hour = 3 hours.

laylaggraham

Answer:

3 hours

Step-by-step explanation:

Number of hours worked = x

Write an equation

$3 + 4x = $15

Subtract $3 from both sides

4x = $12

Divide both sides by 4

x = 3

Hope this was useful to you!

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