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Matematika
andienfitrianisa1
Pertanyaan
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1 Jawaban
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1. Jawaban ratujihad
1) a) Harga Jual
3 x 44500 + 8 x 52500 = 553.500
b) Persen laba
untung = harga jual - harga beli
= 553500 - 360000
= 193500
laba=untung : harga beli x 100%
=193500:360000 x 100%
= 53,75%
2) 1000 x 5.000 = 5.000.000
Diskon = 35%
35/100 x 5.000.000 = 1.750.000
5.000.000 - 1.750.000 = 3.250.000
3) modal awal = 350.000
a. bunga satu tahun = 18/100 x 350.000 = 63.000
b. bunga caturwulan ( 4 bulan) = 4/12 x 63.000 = 21.000
c. tabungan pak roy setelah 4 bulan = modal awal = bunga satucaturwulan = 350.000 + 21.000 = 371.000
4) tas
-> 15% x T = 16200
T=(16200 . 100)/15
T= 108000
30% x S = 28500
S= 28500 . 100/ 30
S= 95000
b.
95000-28500 : 66500
108000 - 16200 : 91800
66500 + 91800= 158300