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Faith
Faith

P6 chevron_right Math chevron_right Singapore

Pls help. Thanks :)

Date Posted: 3 years ago
Views: 806
AC Lim
AC Lim
3 years ago
Questions flaw?
Normally the working...
Total money = 25× 60 = 1500u
1 pen = 1500u÷ 25 = 60u
1 ruler = 1500u ÷ 60 =25u
Assumed all are ruler,, total money = 51×25u= 1275u
Shortfall = 1500u-1275u = 225u
The price difference of 1pen and 1ruler= 60u-25u = 35u
Therefore, total pen = 225u÷35u = 6.42857429 ?(pen can't be 6.4....)
Ruler will be 51-6.42857429=44.57142857 :)

So she bought 6 pens and 45 rulers with some money remaining.
Faith
Faith
3 years ago
Thanks AC lim.

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Samantha
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Hope this helps