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Perlumbaan kereta jenis marathon

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Post time 4-3-2013 10:19 AM | Show all posts |Read mode
Sebuah kereta sedang menyertaipertandingan lumba kereta jenis marathon bagi tempoh 20 hari. Pada 12hari yang pertama, purata perjalanan ialah 320 km sehari. Bagi 8 hariberikutnya, purata perjalanan ialah 240 km sehari. Berapakah purata  jarak perjalanan kereta tersebut bagi tempoh 20 hari?

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Post time 4-3-2013 10:22 AM | Show all posts
tunggu @FMKiller masuk
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 Author| Post time 4-3-2013 10:27 AM | Show all posts
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Post time 4-3-2013 11:04 AM | Show all posts
5760km...kompem salah
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Post time 4-3-2013 11:10 AM | Show all posts
(320 x 12) + (240 x 8) / 20


= 288
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Post time 4-3-2013 01:04 PM | Show all posts
(3840 + 1920)/20 = 288km sehari... tapi jwpn alternatif kalau nk tanya total perjalanan adalah 5760 km...
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Post time 4-3-2013 04:21 PM | Show all posts
[(320km x 12 hari) + (240km x 8 hari)] / 20 = (3840km + 1920km)/20 = 5760km/20 = 288km
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 Author| Post time 4-3-2013 06:22 PM | Show all posts
alisyadania posted on 4-3-2013 11:10 AM
(320 x 12) + (240 x 8) / 20

tepat sekali! Tahniah!
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 Author| Post time 4-3-2013 06:22 PM | Show all posts
anna-zara posted on 4-3-2013 01:04 PM
(3840 + 1920)/20 = 288km sehari... tapi jwpn alternatif kalau nk tanya total perjalanan adalah 5760  ...

betul..betul..betul..
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 Author| Post time 4-3-2013 06:23 PM | Show all posts
xpdckelate posted on 4-3-2013 04:21 PM
[(320km x 12 hari) + (240km x 8 hari)] / 20 = (3840km + 1920km)/20 = 5760km/20 = 288km

Betul gak
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Post time 4-3-2013 07:26 PM | Show all posts
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Post time 4-3-2013 10:00 PM | Show all posts
alaaa xsempt  nk jawab..
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Post time 4-3-2013 11:06 PM | Show all posts
saja tamo jawab
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