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

Created by Bruce Raine

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?

Problem Group

Solution Statistics

45 correct solutions 31 incorrect solutions
Last solution submitted on Sep 09, 2014