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Solve be substitution...

m+n=1000

0.05m+0.06n=57

Take one of the equation and find "m"

m=1000-n

substitute into the other equation

0.05(1000-n)+0.06n=57

50-0.05n+0.06n=57

50-0.01n=57

-0.01n=-7

n=700

Now you have found "n" now find "m"

m=1000-n

m=1000-700

m=300

m=300 and n=700

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โˆ™ 2011-03-26 01:59:19
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Q: How do you solve for m plus n equals 1000 and 0.05m plus 0.06n equals 57?
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