Matematika

Pertanyaan

apa ya jawabanya tolong ya
apa ya jawabanya tolong ya

2 Jawaban

  • 6 lusin

    maaf kalau salah
  • Jawaban :
    Jan = 100% - ( 20 + 16 + 21 + 25 )
           = 100% - 82%
           = 18%
    ==========================
    Jan = 30 lusin = 4.320 buah
    Feb = 25/18 x 40 = 55,56 lusin = 8.000 buah
    Mar = 21/18 x 40 = 46,67 lusin = 6.720 buah
    Apr = 16/18 x 40 = 35,56 lusin = 5.120 buah
    Mei = 20/18 x 40 = 44,44 lusin = 6.400 buah
    ===================================
    Rata² = ( 4.320 + 8.000 + 6.720 + 5.120 + 6.400 ) : 5
              = 30.560 : 5 = 6.112 buah
    ===================================