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December 21, 2014

December 21, 2014

Posted by **ael** on Tuesday, September 20, 2011 at 10:04pm.

- math -
**Steve**, Wednesday, September 21, 2011 at 11:33amLet the ages be woman=w, son=s, father=f.

The first sentence f=5s.

Now, the woman will as old as her father in f-w years. The son will then be s+f-w years old. The second sentence says that s+f-w = 8+w.

The 3rd sentence says that w+f = 100.

So, we have three equations, which we can start combining:

5s+w = 100

s+f-w = w+8

5s + w = 100

6s - 2w = 8

-------------

16s = 208

s=13

f = 5s = 65

w = 100-65 = 35

So, in 30 years, the woman will be as old as her father is now(65), and the son will be 43, which is 8 years older than she is now.

- math -
**Anonymous**, Thursday, October 13, 2011 at 6:15pmThe number 34,459,425 is the product of several consecutive positive odd numbers. What is the greatest of these numbers?

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