Seudónimo Seudónimo
  • 04-02-2019
  • Mathematics
contestada

What percent of 28 equals 21?

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baadgaalc baadgaalc
  • 04-02-2019
21 is to 75 as 7 is to 25 . We can now change 25 to 100 by multiplying by 4 . Therefore , on also multiplying 7 by 4: 21 is 28% of 75
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