Becky109
Becky109 Becky109
  • 15-08-2018
  • Mathematics
contestada

An equivalent expression to two and one-half times the sum of 9 and 12

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chevycrawford chevycrawford
  • 20-08-2018
2.5Ɨ21
2 and one half is equivalent to 2.5 and 9+12=21
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