laishac76 laishac76
  • 03-03-2021
  • Mathematics
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HajirahBibi
HajirahBibi HajirahBibi
  • 03-03-2021
13/55 = 19/QR

13QR = 1045

QR = 1045/13

QR = 80.3846.....

QR = 80.4 (nearest tenth)
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