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NeTakaya
3 years ago
10

Could someone break it down. I am not catching on.

Mathematics
1 answer:
sleet_krkn [62]3 years ago
6 0
\bf -0.04y+0.11(9000-y)=0.35y
\\\\\\
-0.04y+990-0.11y=0.35y
\\\\\\
990-0.15y=0.35y\implies 990=0.35y+0.15y
\\\\\\
990=0.50y
\implies 
\cfrac{990}{0.5}=y\implies 1980=y
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