Matematika Sekolah Menengah Pertama prosentase untung atau rugi

1. harga pembelian = Rp. 60.000
harga penjualan = Rp. 76.000

2. harga pembelian = Rp. 240.000
harga penjualan = Rp. 224.000

3. harga pembelian = Rp. 485.000
harga penjualan = Rp. 650.000

4. harga pembelian = Rp. 580.000
harga penjualan = Rp. 420.000

please bangett bantu akuu, pake cara yaa :((​

prosentase untung atau rugi

1. harga pembelian = Rp. 60.000
harga penjualan = Rp. 76.000

2. harga pembelian = Rp. 240.000
harga penjualan = Rp. 224.000

3. harga pembelian = Rp. 485.000
harga penjualan = Rp. 650.000

4. harga pembelian = Rp. 580.000
harga penjualan = Rp. 420.000

please bangett bantu akuu, pake cara yaa :((​

Penjelasan dengan langkah-langkah:

Untung : harga jual > harga beli

Rugi : harga jual < harga beli

1. jual > beli (untung)

persentase =

[tex] \frac{76000 - 60000}{60000} \times 100\% = \frac{16000}{60000} \times 100\% \\ = \frac{1600}{60} \% \\ = 26.6\%[/tex]

2. jual < beli (rugi)

persentase =

[tex] \frac{240000 - 224000}{240000} \times 100\% = \frac{16000}{240000} \times 100\% \\ = \frac{1600}{240} \% \\ = 6.6\%[/tex]

3. jual > beli (untung)

persentase =

[tex] \frac{650000 - 485000}{485000} \times 100\% = \frac{165000}{485000} \times 100\% \\ = \frac{16500}{485} \% \\ = 34.02\%[/tex]

4. jual < beli (rugi)

persentase =

[tex] \frac{580000 - 420000}{580000} \times 100\% = \frac{160000}{580000} \times 100 <\% \\ = \frac{1600}{58} \% \\ = 27.6\%[/tex]

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