Farmer Brown planted corn and wheat on
1 answer:
So you have the system of equations:
C+W=370. Multiply by -135 to remove w
280c+135w=83,300
-135c-135w=-49950
280c+135w=83,300
Add together:
-135c+280c=33,350. W is gone
145c=33,350
c=230.
And substitute c in any of equations to get w:
C+W=370.
230+w=370
W=140.
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