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Lauren's age is half of Joe's age. Emma is four years older than Joe. The sum of Lauren, Emma, and Joe's age is 54. How old is bob?The second of two numbers is 7 times the first. Their sum is 72. Find the numberstwo sevenths of a number is negative eight what is the numberkevin is 6 years older than timothy. 4 years ago, Kevin was twice as old as timothy. Find their present agesAustin is 7 years younger than Clarissa and Austin is 2 years younger than Shaira. If the sum of their ages is 30, find each person's age.