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April 21, 2014

April 21, 2014

Posted by **rr** on Friday, June 1, 2012 at 8:51pm.

- algebra -
**MathMate**, Friday, June 1, 2012 at 8:58pmThis is direct proportion: more blood, more haemoglobin. Therefore:

1.2/19 = x/17

Cross multiply to find x.

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