Question

Ashley spent half of her weekly allowance playing mini-golf. To earn more money her parents let her wash the car for $9. What is her weekly allowance if she ended with $15 for the week?
Equation:
Answer:
Steps to solve:

Answer 1

Answer:

Her allowance is $12

Answer 2

Equation:

1/2x + 9 = 15

Answer:

12

Step-by-step explanation:

1/2x + 9 = 15

1/2x = 6

x = 12