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in one decade there are 10 years, so if you times 10 by 4 you will get 40 so there are 40 years in 4 decades.

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βˆ™ 14y ago
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Renemuel Tuazkn

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βˆ™ 2y ago
Way 10years so if you times by 4 you

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Q: How many years is 4 decades?
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