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January 29, 2015

January 29, 2015

Posted by **Karabo** on Wednesday, February 13, 2013 at 8:48pm.

- math -
**Ms. Sue**, Wednesday, February 13, 2013 at 8:51pmLet x = red paint

2/7 = x/28

- math -
**JJ**, Wednesday, February 13, 2013 at 8:54pmr = litres of red paint

w = litres of white paint

r + w = 28

r/w = 2/5

so: 5r = 2w which leads to

r = (2/5)(w)

Replace r in the first equation with the (2/5)(w)

that will give you 7/5 w = 28

Can you finish from here?

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