anonymous
  • anonymous
A warehouse club allows non members to shop, but charges them a 10% mark up on all items purchased. If a computer costs $549.99 for members, what is the non member price?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Ok, I'd start by changing 549.99 to 550$ A tad easier that way
anonymous
  • anonymous
ok
anonymous
  • anonymous
Ok, so the problem states that 550$ is the normal price, for members. If nonmembers are charged 10% more, that means they pay 110% total. Do you understand why?

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More answers

anonymous
  • anonymous
no
anonymous
  • anonymous
Alright, let me try a different tactic then...
anonymous
  • anonymous
First, multiply the member price, 550$ by 10%
anonymous
  • anonymous
5500
anonymous
  • anonymous
Did you hit percent?
anonymous
  • anonymous
10% is not the same as 10
anonymous
  • anonymous
Oh.
anonymous
  • anonymous
550
anonymous
  • anonymous
Drop one more zero. 55
anonymous
  • anonymous
How would I get that on a calculator?
anonymous
  • anonymous
Do you have a percent button? If not, you can also use .10 for 10%
anonymous
  • anonymous
that's 0.10 Not ten
anonymous
  • anonymous
No. I will try using the decimal. I got 55
anonymous
  • anonymous
Ok, excellent! 55 is 10% of 550. So, if you add 55 to the original price of 550, you get the 10% markup, your final answer. Try that, I'll be back in a minute
anonymous
  • anonymous
Ok!
anonymous
  • anonymous
$605
anonymous
  • anonymous
You got it :)
anonymous
  • anonymous
Pure awesomeness! The next question was should a member join the club prior to purchasing the computer if the fee is $40. I said yes.
anonymous
  • anonymous
That's right as well
anonymous
  • anonymous
:)
anonymous
  • anonymous
Do you understand why .10 is equal to 10%?
anonymous
  • anonymous
To cover his expenses, Denny marks the price of each item 30% more than his purchase price. What does Denny charge for items that cost him $1.04, $7.23, $9.99 and $42.77?
anonymous
  • anonymous
Ok, before I give you a hint, try to get the first. 1.04$
anonymous
  • anonymous
What do you mean?
anonymous
  • anonymous
Each item is marked up 30%, so there are four answers here
anonymous
  • anonymous
Remember on the last problem, you multiplied the original price by .1, for 30%, what would you use?
anonymous
  • anonymous
Division?
anonymous
  • anonymous
$3.33 is that the answer?
anonymous
  • anonymous
Hmm, let me see if I can teach you a short way to do this. So you remember in the last problem, you used .10 for 10%?
anonymous
  • anonymous
Yeah.
anonymous
  • anonymous
You need to use 30% in this, so what decimal would you use?
anonymous
  • anonymous
.30
anonymous
  • anonymous
Good. Now he's a little trick. 50% is .50, 85% is .85, and 100% is actually 1
anonymous
  • anonymous
Ok!
anonymous
  • anonymous
If you add your markup decimal (.30) to 1, you get 1.3 Right?
anonymous
  • anonymous
Where did the one come from?
anonymous
  • anonymous
Because the original price is 100% of itself, it's a bit complicated. Point is, if you take that 1.3 and multiply it by each of those prices, you get the correct answer
anonymous
  • anonymous
$1.04, $7.23, $9.99 and $42.77 Multiply each by 1.3 on your calculator
anonymous
  • anonymous
oh ok!
anonymous
  • anonymous
1.34 9.40 12.99 55.60
anonymous
  • anonymous
Perfect!
anonymous
  • anonymous
Now let me go back and show you something
anonymous
  • anonymous
A warehouse club allows non members to shop, but charges them a 10% mark up on all items purchased. If a computer costs $549.99 for members, what is the non member price?
anonymous
  • anonymous
You have a 10% Markup here, so take that .10, and add it to 1, like we did just now
anonymous
  • anonymous
1.1
anonymous
  • anonymous
Right, now multiply that by 550. Seem familiar? :)
anonymous
  • anonymous
When Denny has a sale he marks the price 15% more than his purchase price. What is the price of each the above items?
anonymous
  • anonymous
605
anonymous
  • anonymous
Yep, that trick works for every price mark up problem!
anonymous
  • anonymous
Wait! Please help me with the first one.
anonymous
  • anonymous
Sure, what do you need? Although I need to go kinda soon
anonymous
  • anonymous
Ok I just need help with like the first two of this problem.When Denny has a sale he marks the price 15% more than his purchase price. What is the price of each the above items?
anonymous
  • anonymous
Same prices as before? $1.04, $7.23, $9.99 and $42.77?
anonymous
  • anonymous
Yes.
anonymous
  • anonymous
Ok, same trick as before 15% = .15 .15+1=1.15 1.15 x 1.04$ = 1.19 $ 1.15 x 7.23$ = 8.31$ 1.15 x 9.99$ = 11.49$ 1.15 x 42.77$ = 49.19$
anonymous
  • anonymous
You have helped me so much! Thank you so much!
anonymous
  • anonymous
You are very welcome. Good luck with your studies!

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