tolongin ya pakai cara

KALOR

k = kopi, s = susu, ks = kopi susu
mk = 230 gr, tk = 90 °C
ms = 20 gr, ts = 5 °C
tks = __?

tks = (mk tk + ms ts) / (mk + ms)
tks = (230 • 90° + 20 • 5°) / (230+20)
tks = 83,2 °C ← jwb