Sunday

April 20, 2014

April 20, 2014

Posted by **Alice** on Sunday, April 7, 2013 at 1:36pm.

- algebra -
**Reiny**, Sunday, April 7, 2013 at 3:44pmd = k/w

if w=150 , d = 3

3 = k/150

k = 450

so d = 450/w

if w = 90

d = 450/90 = 5

or

w1/w2 = d2/d1

150/90 = d2/3

d2 = 3(150/90) = 5

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