Q=cm(tн-tк)
0.15(60-t)=0.05(t-15)
9-0.15t=0.05t-0.75
9.75=0.2t
t=48.75
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Q=cm(tн-tк)
0.15(60-t)=0.05(t-15)
9-0.15t=0.05t-0.75
9.75=0.2t
t=48.75