TGSgaming710
TGSgaming710 TGSgaming710
  • 08-01-2016
  • Mathematics
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220 is 20% of what number? Explain

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Kbest
Kbest Kbest
  • 08-01-2016
220= 20% "of" y -"of" means multiply! Convert the percent to a decimal
220= .2 * y -divide 220 by .2
1100= y

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Аноним Аноним
  • 08-01-2016
0.20a=220

Where 0.20 is the decimal form of 20% 
a is the unknown number

0.20a=220
-------   -----
0.20     0.20
a=1100

220 is 20% of 1100.
Answer Link

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