alexandrajoi
alexandrajoi alexandrajoi
  • 23-07-2019
  • Mathematics
contestada

Brianna is twice as old as James . David is four times as old as James. Brianna is 20 years younger than David. How old is David?

Respuesta :

LavenderLauren
LavenderLauren LavenderLauren
  • 23-07-2019

Answer:

David might be 40

Step-by-step explanation:

Brianna = 20 + 20 = 40 = David

James = 10 x 2 = Brianna

David = 40 - 20 = Brianna

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