Final temperature = T
Lost 100 g at 90° = gained 600 g at 20°
Apply the formula:
100 x S x (90 - T ) = 600 x S x (T-20)
90 - T =[ 600 x S x (T-20) ]/ (100 x S)
90 - T = 6 (T-20 )
90 -T = 6T - 120
90 + 120 =6T+T
210 = 7T
210/7 = T
T = 30°
Final temperature = 30°
