Seudónimo Seudónimo
  • 30-11-2016
  • Mathematics
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Need help with number 26 and 27

Need help with number 26 and 27 class=

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Аноним Аноним
  • 30-11-2016
26
thursday 138 (46 x 63 / 21 = 138)
friday 99 (33 x 63 / 21 = 99)

27.
 100% - 80% = 20%

20% = 0.2

150 * 0.2 = 30

answer: 30 students chose math




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