Respuesta :

mhanifa

Answer:

  • D) 9/10

Step-by-step explanation:

Add up as fractions:

  • 1/2 + 2/5 =               Common denominator is 2*5 = 10
  • 5/10 + 4/10 =
  • 9/10

Option D
  • 1/2+2/5
  • (5+4)/10
  • 9/10
  • 0.9

Option D

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