A shirt that regularly sells for $20 is marked down by 30%. What is the new price of the shirt?
2 answers:
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First, we can simplify it down.
x = (-x + 6)^2
Then, you should have x - (
- 12x + 36).
Factor it to get x = 4 or 9. 4 works in the original equation but 9 does not.
x = (-x + 6)^2
Then, you should have x - (
Factor it to get x = 4 or 9. 4 works in the original equation but 9 does not.