February 20, 2017

Homework Help: Math

Posted by James on Sunday, December 5, 2010 at 10:05pm.

To conduct a scientific experiment, students need to mix 90 mL of a 3% acid solution. They have a 1% and a 10% soulution available. How many mL of each of the two solution must they combine to pruduce 90mL of the 3% solution?

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