anonymous
  • anonymous
.
Mathematics
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
Let P(y) represent the final cost of the DVD,
anonymous
  • anonymous
If you have a discount of 12% off, that is \[y \times (1-0.12)\]. Correct?
anonymous
  • anonymous
12% off means that you pay only 88% of the original cost.

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

anonymous
  • anonymous
Now, let's write the tax added cost. 3% tax means: \[y \times (1 + 0.03)\]
anonymous
  • anonymous
The expression means that you need to pay an additional 3% on top of your original cost.
anonymous
  • anonymous
Let's combine the expressions together.
anonymous
  • anonymous
okay
anonymous
  • anonymous
\[P(y) = (y \times (1-0.12)) \times (1+0.03) = y \times 0.88 \times 1.03\]
anonymous
  • anonymous
First of all, you cannot subtract 0.03y. You are paying tax, not getting a discount.
anonymous
  • anonymous
*messed
anonymous
  • anonymous
You can subtract the 0.12y as that is your discount.
anonymous
  • anonymous
Yes, your signs are mixed up.

Looking for something else?

Not the answer you are looking for? Search for more explanations.