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March 5, 2015

March 5, 2015

Posted by **Amy** on Thursday, September 26, 2013 at 8:02pm.

- Math -
**Steve**, Friday, September 27, 2013 at 12:29am8f+3r = 8r+3f + 1.25

now plug in r=.45 to get

8f+1.35 = 3.60+3f+1.25

5f = 3.50

f = .70

check:

8*.70+3*.45 = 6.95

3*.70+8*.45 = 5.70

difference is 1.25

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