Question
The ratio of A's age to B's age is 1:4, and the ratio of B's age to C's age is 4:5. D is 20 years older than
The ratio of A's age to B's age is 1:4, and the ratio of B's age to C's age is 4:5. D is 20 years older than
B. Additionally, the ratio of C's age to D's age is 5:8. What is the difference in age between A and D?
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