Question

If 25a + 25 b =115, what is the average of a and b?​

Answer 1

Answer:

2.3

Step-by-step explanation:

25a+25b=115

a+b=115÷25

a+b=4.6

(a+b)÷2=4.6÷2

=2.3

Answer 2

25a + 25b = 115.

=> 25(a + b) = 115

=> a + b = 115/25

=> a + b = 4.6

Then,

Average of a and b = (4.6)/2

=> 2.3

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