" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
* x 40 = 16siswa
* x 40 = 12siswa
* x 40 = 8 siswa
* x 40 = 4 siswa
=(16x60)+(12x70)+(8x80)+(4x90)
=960+840+640+360
=
=70
15. # 15 x 48,8 = 732
# 5 x 52 = 260
# 6 x 48 = 288
732-260-288=184
Rata2 4 bilangan terakhir= = 46