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July 31, 2014

July 31, 2014

Posted by **Venus** on Saturday, September 7, 2013 at 12:22pm.

- Math - Ratios -
**Steve**, Saturday, September 7, 2013 at 3:55pmw/m = 2/7

w/(m-10) = 3/8

clearing fractions, we have

7w = 2m

8w = 3m-30

so,

m = 7w/2

8w = 3(7w/2) - 30

16w = 21w - 60

5w = 60

w = 12

m = 42

check:

12/42 = 2/7

12/32 = 3/8

ok!

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