Answer:
original cost 500
Step-by-step explanation:
25×100÷5 should work when using a calculator.
Sales tax is --------> 5%
Amanda paid $25 for stereo after sales tax
So, the original price is
[tex]P+P x \frac{5}{100} =25\\P+ 0.05P=25\\1.05P=25\\P=23.8 (ans)[/tex]
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