EXOEXOEXO
  • EXOEXOEXO
if five pencils and three erasers cost 65 cents, and three pencils and two erasers cost 40 cents, what is the cost of one pencil and one eraser?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
ok. wait 2 minutes
anonymous
  • anonymous
pencil cost 10 cents,eraser5 cents
EXOEXOEXO
  • EXOEXOEXO
can you explain to me how you got it?

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anonymous
  • anonymous
yes we do equation 5p+3e=65(multiply on 2 for getting 6e) 3p+2e=40(multimply on 3 to get 6e) we got 10p+6e=130 and 9p+6e=120 6e=130-10p 9p+130-10p=120 -p=-10 p=10
anonymous
  • anonymous
it is one pencil
anonymous
  • anonymous
but now we only put in one of equations 50+3e=65 3e=15 e=5 it is eraser

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