Answer:
In 10 years.
Explanation:
1. 46-18=28
2. 28 (2)= 56
3. 56-46=10
(4. 18+10=28)
5. So, after 10 years, the older ring will be 56 years old and the younger ring will be 28 years old. 56 is twice as much as 28. (28+28=56, 28(2)=56 or 56/2=28)
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