The sales tax on a computer was $33.60. If the sales tax rate is 7%, how much did the computer cost

The sales tax on a computer was $33.60. If the sales tax rate is 7%, how much did the computer cost without tax?

Let the cost of the computer be c. We have:
0.07c = 33.60

Solve for c in the equation 0.07c = 33.60

Step 1: Divide each side of the equation by 0.07
0.07c/0.07 = 33.60/0.07
c = $480

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