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Ayala and sam were partners on a science project. Ayala spent 2 3/4 hours working on the project.Sam spent 1 3/4 on the project. How long did they work altogether ?

Respuesta :

sqdancefan

Answer:

  4 1/2 hours

Step-by-step explanation:

Total time worked was ...

  2 3/4 + 1 3/4 = (2 +1) + (3/4 +3/4)

  = 3 + (1 1/2) = 4 1/2 . . . hours

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