Respuesta :

jb1234567892

Answer:

B - 4

Step-by-step explanation:

Okay let's write this out. 3z+a=10, where Zoey and Ayden are z and a respectively. a=2z

We can further simplify by substtitition.

3z+2z=10

5z=10

3(2) + a = 10

6+a=10

a=4

Please brainliest.
The answer will be B :)

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