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January 31, 2015

January 31, 2015

Posted by **Rezu** on Tuesday, April 24, 2012 at 7:44pm.

20kgs?

- Math -
**Damon**, Tuesday, April 24, 2012 at 7:52pm3 D + 2 d = 32

4 D + 3 d = 44

multiply first by 3, second by 2

9 D + 6 d = 96

8 D + 6 d = 88 subtract

----------------

D = 8

so 3*8 + 2 d = 32

2 d = 8

d = 4

so

2(8) + 1(4) = 20

- Math -
**Rezu**, Tuesday, April 24, 2012 at 8:19pmThank You!

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