anonymous
  • anonymous
Yesterday, the snow was 2 feet deep in front of Archie’s house. Today, the snow depth dropped to 1.6 feet because the day is so warm. What is the percent change in the depth of the snow?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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sammixboo
  • sammixboo
So first, subtract the original number, which is 2, with the second number, which is 1.6. After you finish Subtracting 2 - 1.6, divide our answer by 2, the original number. So pretty much our problem so far looks like this |dw:1442328032710:dw|
anonymous
  • anonymous
so you will get 12
sammixboo
  • sammixboo
I'm sorry, subtract 1.6 - 2, not 2 - 1.6|dw:1442328137383:dw|

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anonymous
  • anonymous
so it 2
sammixboo
  • sammixboo
Not quite. 1.6 - 2 will be a negative decimal
anonymous
  • anonymous
-0.4
sammixboo
  • sammixboo
Right, so now we have |dw:1442328255258:dw|
sammixboo
  • sammixboo
What do you get? This will also be a negative decimal
anonymous
  • anonymous
-0.2
sammixboo
  • sammixboo
Right! The last step is to multiply our answer, -0.2, by 100 and throw on a percent sign. what is -0.2 x 100?
anonymous
  • anonymous
-20
sammixboo
  • sammixboo
ight, so there is a -20% change
sammixboo
  • sammixboo
Also, 20% decrease
anonymous
  • anonymous
thanks
anonymous
  • anonymous
Jonathan’s class has 30 boys. Of the students in his class, 60% are girls. How many girls are in Jonathan’s class?
sammixboo
  • sammixboo
Well, we know that the boys equal to 40% of the class, right?
anonymous
  • anonymous
yes
anonymous
  • anonymous
this is a new question Lydia bought a shirt at 20% off its retail price of $40. She paid 5% tax on the price after the discount. How much did Lydia pay for the shirt?

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