$22.50
You can get this by dividing the new total by 116%, which is how much of the bill was paid.
your question :

here's the solution,
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i hope it helped you..... good luch for your English exam.....
Answer:
x = - 1
Step-by-step explanation:
Given
9 = - x + 8 ( subtract 8 from both sides )
1 = - x ( multiply both sides by - 1 )
- 1 = x ⇒ x = - 1
Answer:
12 and 12.5
Step-by-step explanation: