jumlah ketiga satuan suhu 234 derajat. berapakah besar masing masing satuan suhu?

C + R + F = 234°

C = 5/(5+4+9) × 234°
C = 5/18 × 234°
C = 65°

R = 4/18 × 234°
R = 52°

F = 9/18 × 234°
F = 117°