alligation algebra

by JoAnna

You are asked to make 150 ml of a 3% Na Borate solution. Using 5% Na Borate stock solution and water, how much of each do you need?

Reply Reply (by Keith)

This is an ALLIGATION. Watch the video and try some practice problems. You'll get it. ALLIGATIONS get easier with lots of repetition, so don't worry if you have some trouble with them at first.

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