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Pertanyaan

Pedagang elektronik membeli CD audio player dengan harga begin mathsize 14px style Rp 800.000 comma negative end style. Jika pedagang tersebut menghendaki untung begin mathsize 14px style 15 percent sign end style, maka harga jualnya adalah ....

  1. begin mathsize 14px style Rp 720.000 comma negative end style 

  2. begin mathsize 14px style Rp 820.000 comma negative end style 

  3. begin mathsize 14px style Rp 920.000 comma negative end style 

  4. begin mathsize 14px style Rp 1.020.000 comma negative end style 

W. Lestari

Master Teacher

Mahasiswa/Alumni Universitas Sriwijaya

Jawaban terverifikasi

Jawaban

jawaban yang benar adalah C.

Pembahasan

Diketahui:

begin mathsize 14px style Harga space Beli open parentheses HB close parentheses equals Rp 800.00 comma negative percent sign straight U equals 15 percent sign end style 

Maka:

begin mathsize 14px style space space space space space space space space space space space space space space space space space space space space space space space space space percent sign straight U equals straight U over HB cross times 100 percent sign space space space space space space space space space space space space space space space space space space space space space space space space 15 percent sign equals fraction numerator HJ minus HB over denominator HB end fraction cross times 100 percent sign space space space space space space space space space space space space space space space space space space space space space space space space space 15 over 100 equals fraction numerator HJ minus 800.000 over denominator 800.000 end fraction space space space 100 open parentheses HJ minus 800.000 close parentheses equals 15 open parentheses 800.000 close parentheses 100 HJ minus 80.000.000 equals 12.000.000 space space space space space space space space space space space space space space space space space space space space space space space 100 HJ equals 12.000.000 plus 80.000.000 space space space space space space space space space space space space space space space space space space space space space space space 100 HJ equals 92.000.000 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space HJ equals fraction numerator 92.000.000 over denominator 100 end fraction space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space HJ equals 920.000 end style 

Jadi, jawaban yang benar adalah C.

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