anonymous
  • anonymous
The price of an oven changes from $450 to $396 a.13.6% increase b.13.6%decrease c.12% increase d.12% increase
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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tkhunny
  • tkhunny
What is the AMOUNT increase?
anonymous
  • anonymous
umm??
rebeccaxhawaii
  • rebeccaxhawaii
well it an obvious answer pretty much common sense the numbers are decreasing so that would make it only one choice

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More answers

anonymous
  • anonymous
OK its either c or d
anonymous
  • anonymous
I am lost someone help
rebeccaxhawaii
  • rebeccaxhawaii
read my last answer it shouldnt be confusing that question literally gives you the answer
anonymous
  • anonymous
ok
tkhunny
  • tkhunny
Answer my question. What is the AMOUNT of the Increase or Decrease?
anonymous
  • anonymous
I don't know the amount
tkhunny
  • tkhunny
Can you subtract and find it?
anonymous
  • anonymous
ok
anonymous
  • anonymous
54
tkhunny
  • tkhunny
450 - 396 = 54. Perfect. Where did we start? 450 or 396?
anonymous
  • anonymous
Yes $450 to $396
tkhunny
  • tkhunny
Okay, What percent of where we started is the change? In this problem, What percent of 450 is 54?
anonymous
  • anonymous
45%
tkhunny
  • tkhunny
\(\dfrac{54}{450} = 0.12 = 12%\) How did you get 45%
anonymous
  • anonymous
ohh opps
anonymous
  • anonymous
ok so its 12
tkhunny
  • tkhunny
It's a 12% what? Increase or Decrease?
anonymous
  • anonymous
Decrease
tkhunny
  • tkhunny
The correct answer is 12% Decrease. This isn't on the list. Perhaps you mistyped answer choice D?
anonymous
  • anonymous
yea i did
anonymous
  • anonymous
thank you for helping me
tkhunny
  • tkhunny
Did you see what Rebecca was saying? If we look at it and see that it is a decrease, it would be quite simply to pick the only answer that actually says decrease! Unfortunately, that wasn't the real solution. Do you know where 13.6% comes from?
tkhunny
  • tkhunny
If you forget where you STARTED, you may accidentally calculate \(\dfrac{54}{396} = 13.6\)%. That would be wrong. Always use where you STARTED.

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