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exis [7]
3 years ago
10

Applications of systems of equations

Mathematics
1 answer:
ycow [4]3 years ago
4 0
If m= mc questions and t= t/f questionst=125-m, 8(125-m)+14m=1300, 1000-8m+14m=1300 ,
\left \{ {{t+m=125} \atop {8t+14m=1300}} \right. ,
6m=300 ,
m=50 , t=75
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