Sipppp. Memang Ambo ( keliru) SALAH. Selamat berakhir pekan. Wassalam
Reflus. On Nov 19, 2011, at 12:12 AM, "ZulTan" <[email protected]> wrote: > > > You got E, Mr. Ridha. > Excellent! > > See brother Reflus, how to solve it! > > > Salam, > ZulTan, L, 51, Bogor > > If you don't know where you are going, any road will take you nowhere - Henry > Kissinger > From: Ahmad Ridha <[email protected]> > Sender: [email protected] > Date: Fri, 18 Nov 2011 23:57:58 +0700 > To: <[email protected]> > ReplyTo: [email protected] > Subject: Re: [R@ntau-Net] OOT: Matematika 62 > > a. aX = 108, where a is the number of phonecards bought, and X is the price > for one phonecard. > > b. (a - 2) (X + 2) > > c. (a - 2) (X + 2) = 108 + 20 > aX + 2a - 2X - 4 = 128 > X = 108/a > 108 + 2a - 216/a = 132 > 2a - 216/a = 24 > a - 108/a - 12 = 0 > a^2 - 12a - 108 = 0 > a = 18 > > Wassalaam, > -- > Abu 'Abdirrahman, Ahmad Ridha bin Zainal Arifin bin Muhammad Hamim > (l. 1400 H/1980 M) > > 2011/11/18 ZulTan <[email protected]> > > Ko matematika SMP: > > A shop keeper bought some phonecards $108. He paid $X for each. > > a. Find, in term of X, an expression for the number of phonecards he bought. > > b. He gave away two number of phonecards to his son and sold remainder for > $2 per card more than he paid for it. Write down an expression in term of X > for the some money he received. > > c. He made $20 profit. Write down the equation and solve it to find the > number of phonecards he bought. > > Mungkin ado nan nio mancubo utak-atiak dipersilakan. > > Salam, > ZulTan, L, 51, Bogor > > -- > . > * 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/ -- . * 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/
