# Posts by Susannah

Total # Posts: 3

**algebra**

A chemist has a solution that is 20% HIC and a solution that is 50% HCI. How much of each solution should be mixed to attain 300ml of a solution that is 30% HCI?

*February 21, 2012*

**Math**

4. In order to be parallel, you can't have a triangle, because you couldn't make it parallel. Think of a square: two of those sides are parallel.

*November 8, 2011*

**Year 12 can't do year 7 simple math-help**

It’s a tough algebra question Solution a*b=12 –(a+b) The mystery value is 2.

*February 7, 2008*

- Pages:
**1**