Sara bought a new doll at a 20% off sale and saved $12. What was the regular price of the doll?
1 answer:
Answer:
regular price = $15
Step-by-step explanation:
Represent the regular price by d. Then the discount was 0.20d, and the sale price was (1 - 0.20)d, or 0.80d, which is $12.
Solving for d, we divide both sides by 0.80:
d = regular price = $15
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