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Apply TodayA space rocket has 3 stages:

- stage 1, s1;

- stage 2, s2;

- stage 3, s3.

If s1 burns 3 x as long as s2 which burns 2 x as long as s3 then how long did s3 burn if the total burn time was tt minutes? How long did s2 burn? s1?

44 correct solutions
29 incorrect solutions

Last solution submitted on Jun 21, 2014