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Problem 1299. How long do each of the stages of the rocket take to burn?

A 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?

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Last Solution submitted on May 17, 2020

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linear algebra