Jika 4 1/4m pipa harganyabRp.90 Brp rupiahkah harganya jika 2 1/2 m ?
Matematika
rinambot
Pertanyaan
Jika 4 1/4m pipa harganyabRp.90 Brp rupiahkah harganya jika 2 1/2 m ?
2 Jawaban
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1. Jawaban ShanedizzySukardi
4 1/4 m = 90
17/4 m = 90
1 m = 90 × 4/17 = 360/17
Sehingga,
2 1/2 m = 5/2 × 360/17 = 900/17 = 52,94
Jadi, 2 1/2 m harganya Rp52,94 rupiah -
2. Jawaban ShaviraH
4 1/4. = 17/4. seharga rp. 90
1 meter = 90 / 17/4
= 90/17*4
= 360/17
2 1/2 meter = 5/2*360/17
= 900/17
= rp. 52,94