brentnor brentnor
  • 11-04-2016
  • Mathematics
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Divide 30 into ratio 2:4

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penfila11Pen
penfila11Pen penfila11Pen
  • 13-04-2016
2 : 4 to 30
2x + 4x = 30
6x = 30
x = 5

2(5) : 4(5)
10 : 20
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