# SOLUTION: Eliasbeth is 6 years older than her sister elisa. Their mother's age is twice the sum of their ages. How old are they if their mother is 40?

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 Question 415234: Eliasbeth is 6 years older than her sister elisa. Their mother's age is twice the sum of their ages. How old are they if their mother is 40?Answer by sudhanshu_kmr(1152)   (Show Source): You can put this solution on YOUR website! Elisa age = x Eliasbeth age = x + 6 mother's age = 2( x + x+6) 40 = 2( 2x +6) => 40 = 4x + 12 => 4x = 40-12 = 28 => x = 7 Elisa age = 7, elisabeth age = 13