No 1 dan 2.... tolong pake cara ya kakak kakak... buat hari senin kakak

0 C = 20 X
100 C = 220 C
X saat 50 C = ( (220-20)/(100-0) × 50) + 20
= 120 X

Y saat 25 C = ( (220-20)/(100-0) × 25) + 20
= 70 Y