burtmaya
burtmaya burtmaya
  • 02-11-2021
  • Mathematics
contestada

Solve the proportion 9/12 = 15/a

Respuesta :

ItsDingy
ItsDingy ItsDingy
  • 02-11-2021

Answer:

a=20

Step-by-step explanation:

You cross multiply: 9a=180

a=20.

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