Jamie purchased a DVD that was on sale for 15% off. The sales tax in her county is 5%. Let y represent the original price of the DVD. Write an expression that can be used to determine the final cost of the DVD.

y − 0.15y
0.05(0.85y)
y − 0.85y + 0.05y
1.05(0.85y)

Question

Jamie purchased a DVD that was on sale for 15% off. The sales tax in her county is 5%. Let y represent the original price of the DVD. Write an expression that can be used to determine the final cost of the DVD.

 y − 0.15y
 0.05(0.85y)
 y − 0.85y + 0.05y
 1.05(0.85y)

kanard · Answer

@amistre64

triciaal · Answer

100% is the whole, original price y
15% off means you pay less
tax is 5% this is added to purchase price
review then write your expression for the final cost
let me know if you still have any questions