qweertt
qweertt qweertt
  • 12-10-2016
  • Mathematics
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I really need help please

I really need help please class=

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lovely3533
lovely3533 lovely3533
  • 12-10-2016
Always remeber what yyour keys word and what they in this case reduced means subtract so just like how 4-2=2 we do the same for 40 -20 that equals 20% and there you go 40%-20%= 20 % 
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