Jason purchased a pack of game cards that was on sale for 13% off. The sales tax in his county is 8%. Let y represent the original price of the cards. Write an expression that can be used to determine the final cost of the cards.
y − 0.13y
y − 0.87y + 0.08y
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so it should be: y-0.13y+0.08y
but it is not included in one of your choices so I'm not sure about this one
Im goin to just try d
I think I understand it.
Apply the sale first then the tax.
So take off 13% from 100% , which will be 87%
so the price is (0.87y) and then let's add the tax, which is the 8% of the price after the 13% off., so tax is 0.08(0.87y)
In total you'll get: price + tax = 0.87 + 0.08(0.87y) or (1+0.08)(0.87y)
therefore you're total cost is 1.08(0.87y)