If 12a+3b=1 and 7b-2a=9, what is the average of a and b?

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If 12a+3b=1 and 7b-2a=9, what is the average of a and b?

E

Editor

Sep 18, 2022

If 12a+3b=1 and 7b-2a=9, what is the average of a and b?

Difficulty: Easy

A:

0.1

B:

0.5

C:

0.9

D:

1

ID: 63273db5ca83163ac3a0aa3b