brisa3cruz brisa3cruz
  • 23-04-2020
  • Mathematics
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I need help with 7, 9a and 9b. Mainly #7 !!!

I need help with 7 9a and 9b Mainly 7 class=

Respuesta :

ihatealgebraa
ihatealgebraa ihatealgebraa
  • 23-04-2020

Answer:

9 and 9a answer is

3 per hour

and

14 hours

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