If the average of a and b is 45, and the average of b and c is 35, then (a-c)=?

If the average of a and b is 45, and the average of b and c is 35, then (a-c)=?

If the average of a and b is 45, and the average of b and c is 35, then (a-c)=? ?

Created: 1 week ago | Updated: 1 week ago | Created By:

Imran Ahmed

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Best Answer Explained in Below-:

a + b = 2×45; b + c = 2×35 so a + b - b - c = 2(45 - 35) a - c = 2×10 = 20

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