if 25a+25b =2000 then find the average of a and b
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If 25a+25b =2000 then the average of a and b must be equal to 3.5
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25 a + 25 b = 2000
50 ( a+ b) =2000
a+b = 2000 ÷ 50
a+ b = 40.
a = 40 - b.
b = 40 - a.
or. a = 20.
b = 20.
50 ( a+ b) =2000
a+b = 2000 ÷ 50
a+ b = 40.
a = 40 - b.
b = 40 - a.
or. a = 20.
b = 20.
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