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Translate the problem into an equation:
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a woman is 5 times as old as her son. in the next 2 years the total of their ages will be 40. how old i her sonJohn is 5 years older than Bob. Bob is 10 years older than Jack. Jack is 44. How old is Bob?John is 5 years older than Bob who is 10 years older than Jack. The sum of their ages is 57. how old is Bob?Mel is 3 years older than Rahfat and Aurelio is twice as old as Mel. The sum of their ages is 57. How old is Mel?a woman is 5 times as old as her son. in the next 2 years the total of their ages will be 40. how old is her son