Let their present ages be x and y. Then x – 5 = 3(y – 5) and x + 10 = 2(y + 10). Simplifying yields x – 3y = -10 and x – 2y = 10. Solving gives y ...
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Let their present ages be x and y. Then x – 5 = 3(y – 5) and x + 10 = 2(y + 10). Simplifying yields x – 3y = -10 and x – 2y = 10. Solving gives y ...