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How do you solve for m plus n equals 1000 and 0.05m plus 0.06n equals 57?
Wiki User
∙ 13y ago
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
Wiki User
∙ 13y ago
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