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Verified answer
Misal :siswa putra = a
siswa putri = b
a + b = 36
b = 36-a
mean b = 156
mean a = 162
mean total = 160
mean total = (156b + 162a)/36
160 = (156b + 162a) /36
160 × 36 = 156(36-a) + 162a
5760 = 5616 - 156a + 162a
5760 - 5616 = 6a
6a = 144
a = 24
Jadi, banyaknya siswa putra ada 24 anak