Hello there,
Okay first we would need to write down what does the problem gives us that we already know...
- she bought 3 CDs each with the same price
- she paid a total of $35.40
- the tax was $2.70
Now in order for us to solve we need to subtract the tax from the total price... 35.40 - 2.70 = 32.70.
Since we have the price before the tax now we just have to divide 32.70 by 3 and by doing that you would get 10.90.
Each CD is $10.90.
Hope I helped,
Amna