Farmer Brown planted corn and wheat on

Mathematics

1 answer:

siniylev [52]2 years ago

5 0

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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