Ella purchased a game that was on sale for 12% off. The sales tax in her county is 6%. Let y represent the original price of the
game. Write an expression that can be used to determine the final cost of the game.
y − 0.12y
0.06(0.88y)
1.06(0.88y)
y − 0.88y + 0.06y
1 answer:
y: original price (in dollars)
0.12y: amount of discount (in dollars)
sale price: y - 0.12y = 0.88y
sales tax on this sale price: (0.06)(0.88y)
final cost: 0.88y + (0.06)(0.88y) = 0.88y(1+0.06) = 0.9328y
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