Griffindore
  • Griffindore
Hey have a couple super quick questions
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Griffindore
  • Griffindore
Erika calculated that she would spend $115 on school supplies this year. She actually spent $82.50 on school supplies. What is Erika’s percent of error? 28.3% 2.8% 39.4% 32.5%
anonymous
  • anonymous
ok so it's (82.5-15)/155
anonymous
  • anonymous
32.5 so D

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Griffindore
  • Griffindore
oh it was D lol thanks guys
anonymous
  • anonymous
np
Griffindore
  • Griffindore
I thought it wasent D
Griffindore
  • Griffindore
btw where did the 15 come from
Griffindore
  • Griffindore
Evan spent 20 hours doing homework last week. This week he spent 25 hours doing homework. He says that he spent 125% more time doing homework this week. Is he correct? Show your work to justify your decision.
Griffindore
  • Griffindore
thats my last question
anonymous
  • anonymous
oh sorry I meant 115
Griffindore
  • Griffindore
lol ok
anonymous
  • anonymous
ok so first of all he's wrong next we (20-25)/25 I think right
Griffindore
  • Griffindore
you mean 125
anonymous
  • anonymous
possibly
Griffindore
  • Griffindore
what do you mean
anonymous
  • anonymous
so it is (20-25)/25
Griffindore
  • Griffindore
ya thats 0.2
anonymous
  • anonymous
so 20%
Griffindore
  • Griffindore
ya
Griffindore
  • Griffindore
So its 20%
anonymous
  • anonymous
yes
Griffindore
  • Griffindore
oh ok lol :D

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