Explanation:
Make an equation first.
29.51=1.07 (x)
The 29.51 is after the 7% sale tax, so we are trying to figure out the original price.
After you make the equation, you solve the 1 step equation.
Divide both sides by 1.07 to get the answer.
27.57944=x
So you woyld want to round this answer to get $27.58