Problem 124 of 7
A shirt after a 25 percent discount costs 30 dollars. Find the original price. Write and solve an equation involving percent increase or decrease.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
represent percent multiplier and solve for original or final amount.
Hidden until you reveal it.
Percent multiplier must be explicit and solution should be clean.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Convert the percent change to a multiplier.
2. Set multiplier times original amount equal to final amount.
3. Divide by the multiplier.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Adding or subtracting percent as a whole number.