Tax is 7%.paid $35 in sales tax on a new satareo .what was the price of the stereo?

We know that 7%=.07.
We also know that we need to ad this, to do this we can use the formula
p=s*(1+t) where price paid, s=subtotal, t=tax rate (in a decimal form)
Therefore:
35*1.07=37.45

37.45 hope that helped