If 3a+5b=10 and 5a+3b=30, what is the average of a and b?

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If 3a+5b=10 and 5a+3b=30, what is the average of a and b?

E

Editor

Sep 18, 2022

If 3a+5b=10 and 5a+3b=30, what is the average of a and b?

Difficulty: Easy

A:

3

B:

2.65

C:

4.6

D:

2.5

ID: 63273db5ca83163ac3a0ae0f