Matematika

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Nomor 1-3 yah.............................
Nomor 1-3 yah.............................

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  • 1) Netto beras1 = bruto-tara = 91 kg-1kg =90 kg Netto beras2 = bruto-tara = 40 x 5/100 = 2kg Netto beras2 = 40-2 =38 kg = beras1 = 750/kg = 750x90 = 67.500 = beras2 = 800/kg = 800x38= 30.400 = 67.500 + 30.400 = 97.900 = UNTUNG = HJ-HB = 97.900-91.200 = 6.700 = a. 2) 640-50 = 80 Presentase tara = 80/640x100% = 12,5% = c. 3) bruto = 7 kuintal = 700 kg : 10 = 70kg/karung Tara tiap karung = 3%/karung Netto tiap karung = 70x3/100 = 21/10 = 2,1 kg NETTO TIAP KARUNG = 70-2,2 = 67,9 kg = a.

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