Yes! It's a job well done. But the ratio should be 10/5 = 2.
Tarimo kasih Sanak Ridha. Salam, ZulTan, L, 51, Bogor Sent from my iPad 2 On 4 Mar 2012, at 21:21, Ahmad Ridha <[email protected]> wrote: > p = price for a pair of leather shoes > q = price for a pair of canvas shoes > m = the total price for Andi's order > > Andi's order: 5p + aq = m (1) > p = 2.5q (2) > 12.5q + aq = m (3) substitute (2) into (1) > > Andi's assistant's order: ap + 5q = m + m/3 (4) > 2.5aq + 5q = 4m/3 (5) simplify (4) > 7.5aq + 15q = 4m (6) (5) times 3 > > 4aq + 50q = 4m (7) (3) times 4 > 3.5aq - 35q = 0 (8) subtract (7) > from (6) > q (3.5a - 35) = 0 (9) separate q for > factorization > q != 0 (10) price > can't be 0 > 3.5a - 35 = 0 (11) this part of > (9) is the cause of (9) > a = 10 (12) easily > obtained from (11) > > Therefore, > > ratio = 5:a = 5:10 = 1:2 > > -- > Abu 'Abdirrahman, Ahmad Ridha bin Zainal Arifin bin Muhammad Hamim > (l. 1400 H/1980 M) > -- > . > * Posting yg berasal dari Palanta RantauNet, dipublikasikan di tempat lain > wajib mencantumkan sumber: ~dari Palanta R@ntauNet > http://groups.google.com/group/RantauNet/~ > * Isi email, menjadi tanggung jawab pengirim email. > =========================================================== > UNTUK DIPERHATIKAN, melanggar akan dimoderasi: > - DILARANG: > 1. E-mail besar dari 200KB; > 2. E-mail attachment, tawarkan di sini & kirim melalui jalur pribadi; > 3. One Liner. > - Anggota WAJIB mematuhi peraturan serta mengirim biodata! Lihat di: > http://forum.rantaunet.org/showthread.php?tid=1 > - Tulis Nama, Umur & Lokasi disetiap posting > - Hapus footer & seluruh bagian tdk perlu dlm melakukan reply > - Untuk topik/subjek baru buat email baru, tdk mereply email lama & mengganti > subjeknya. > =========================================================== > Berhenti, bergabung kembali, mengubah konfigurasi/setting keanggotaan di: > http://groups.google.com/group/RantauNet/ -- . * Posting yg berasal dari Palanta RantauNet, dipublikasikan di tempat lain wajib mencantumkan sumber: ~dari Palanta R@ntauNet http://groups.google.com/group/RantauNet/~ * Isi email, menjadi tanggung jawab pengirim email. =========================================================== UNTUK DIPERHATIKAN, melanggar akan dimoderasi: - DILARANG: 1. E-mail besar dari 200KB; 2. E-mail attachment, tawarkan di sini & kirim melalui jalur pribadi; 3. One Liner. - Anggota WAJIB mematuhi peraturan serta mengirim biodata! Lihat di: http://forum.rantaunet.org/showthread.php?tid=1 - Tulis Nama, Umur & Lokasi disetiap posting - Hapus footer & seluruh bagian tdk perlu dlm melakukan reply - Untuk topik/subjek baru buat email baru, tdk mereply email lama & mengganti subjeknya. =========================================================== Berhenti, bergabung kembali, mengubah konfigurasi/setting keanggotaan di: http://groups.google.com/group/RantauNet/
