anonymous
  • anonymous
7th grade math help, Need correct answers
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
Tess and Dan have $24.00 each to spend at a book fair, where all students receive a 15% discount. They both want to purchase a copy of the same book, which normally sells for $24.50 plus 10% sales tax. To check if she has enough to purchase the book, Tess takes 15% of $24.50 and subtracts that amount from the normal price. She takes 10% of the discounted selling price and adds it back to find the purchase amount. Dan takes 85% of the normal purchase price and then computes 110% of the reduced price. Is Tess correct? Is Dan correct? Do they have enough money to purchase the book? Explain your answer using complete sentences.
anonymous
  • anonymous
anonymous
  • anonymous
I'll fan and medal

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More answers

anonymous
  • anonymous
Anyone?
anonymous
  • anonymous
anonymous
  • anonymous
anonymous
  • anonymous
Hold on
anonymous
  • anonymous
?
anonymous
  • anonymous
can somone please help
anonymous
  • anonymous
anonymous
  • anonymous
anonymous
  • anonymous
anonymous
  • anonymous
anonymous
  • anonymous
anonymous
  • anonymous
anonymous
  • anonymous
I have no idea and im in 7th grade... srry
anonymous
  • anonymous
;-;
anonymous
  • anonymous
Lets see who's smart
horsegirl27
  • horsegirl27
Here's what you have to do. You have to solve it their ways, and choose who is correct. Next you have to answer the quest about them having enough money.
anonymous
  • anonymous
Ok, lets do it step by step
horsegirl27
  • horsegirl27
It's just tricky because there's a lot of solving to do.
anonymous
  • anonymous
yeah
anonymous
  • anonymous
but who is correct? I thought its dan
horsegirl27
  • horsegirl27
So do you know how to solve for a discounted price and how to add tax?
anonymous
  • anonymous
yes
anonymous
  • anonymous
multiply?
horsegirl27
  • horsegirl27
Ok, so Tess is correct, but you still have to solve both their work for you to answer the other part. So start by finding 15% OF 24.50
anonymous
  • anonymous
Ok
anonymous
  • anonymous
3.65?
anonymous
  • anonymous
anonymous
  • anonymous
what do I do next
horsegirl27
  • horsegirl27
Next do 24.50-3.65. (lots of people forget this other step)
anonymous
  • anonymous
20.85
anonymous
  • anonymous
so both of them can buy it?
anonymous
  • anonymous
???
anonymous
  • anonymous
Horse?
anonymous
  • anonymous
horsegirl27
  • horsegirl27
Sorry, I'm back.
anonymous
  • anonymous
horsegirl27
  • horsegirl27
Next, add 10% tax to that.
anonymous
  • anonymous
10%
anonymous
  • anonymous
2.8 cents?
anonymous
  • anonymous
please hurry I have to go soon
horsegirl27
  • horsegirl27
It's 2.085.
anonymous
  • anonymous
oh
anonymous
  • anonymous
So in the end how would I explain this?
horsegirl27
  • horsegirl27
$2.10
anonymous
  • anonymous
anonymous
  • anonymous
how would I?
anonymous
  • anonymous
.
horsegirl27
  • horsegirl27
I'm still here. First, you have to add $2.10 to 20.85. That will be the price for Tess. Now I want you to try solving for Dan yourself. Use the same steps, different numbers. What do you get in the end?
horsegirl27
  • horsegirl27
You're not done with the solving, so don't jump ahead.
anonymous
  • anonymous
I really can't figure it out
anonymous
  • anonymous
I'm fasting today so I haven't eated
anonymous
  • anonymous
I feel retarted
anonymous
  • anonymous
and I need to get this stuff done
horsegirl27
  • horsegirl27
Don't worry about it. Just slow down and think about it. You're solving how you just did, but with different numbers.
anonymous
  • anonymous
I just don't understand this type of math
anonymous
  • anonymous
It just makes no sense
anonymous
  • anonymous
I think the problem is in explaining it
horsegirl27
  • horsegirl27
Don't worry, that comes next. It'll be easy. First, Find 85% of 24.50.
anonymous
  • anonymous
11 dollars and 50 cents?
horsegirl27
  • horsegirl27
I got 20.83.
anonymous
  • anonymous
So they can both buy it?
horsegirl27
  • horsegirl27
So 24.50-20.83 is?
anonymous
  • anonymous
3.67
horsegirl27
  • horsegirl27
Now do your next step it tells you do to. THEN you can answer the questions. I can tell you right off that Tess is right. Now by solving you'll see if they both can afford it. Your explanation will just be answering the 2 questions and then just use the work you showed here. Now I must go, sorry.

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