SOLUTION: What multiplies to 44.5 and adds to 850

Algebra ->  Probability-and-statistics -> SOLUTION: What multiplies to 44.5 and adds to 850      Log On


   

Question 1037605: What multiplies to 44.5 and adds to 850
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
What multiplies to 44.5 and adds to 850
-----
Equations:
a*b = 44.5
a + b = 850
------
Substitute for 'b' and solve for "a"::
a(850-a) = 850
-a^2 + 850a - 850 = 0
a^2 - 850a + 850 = 0
----
Use the quadratic formula to get:
a = 848.99882..
b = 1.00118
--------------
Cheers,
Stan H.
--------