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360 ÷ 60 = 6
1 Remaja = 6°
Pecel = 42°
Remaja yg gemar pecel = 42 ÷ 6 =7
7 pelajar
= 360 - 318
= 42 derajat
jadi siswa yang suka pecal adalah :
42 = x 360
42 = 6 x pecel
pecel = 42/6
pecel = 7
jadi yg suka pecel 7 orang siswa