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primary 5 | Maths | Percentage
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Joe
Joe

primary 5 chevron_right Maths chevron_right Percentage chevron_right Singapore

Pls help. Thanks

Date Posted: 3 months ago
Views: 150
AC Lim
AC Lim
3 months ago
Don't understand question a) asked. Question already informed she spent 20% of the saving on a dress. Answer is 20%.

b) since she left 50% of the saving.
Therefore, total spent = 50%
20% on dress then
30% on shoe
30% → $24
10% → $8
100% → $80

Her saving is $80.

Let me know if answer is wrong.
AC Lim
AC Lim
3 months ago
May be I understand wrongly..
She then spent 20% of the saving on a dress = She then spent 20% of the REMAINING saving on a dress? If this the case... then answer for a)
80% (8u) of remaining = 50% of the saving
20% (2u) spent on dress = 2/8 × 50 = 12.5%
Answer = 12.5%

b) 50%-12.5% = 37.5%
37.5% → $24
1% → $0.64
100% → $64

See 2 Answers

Percentage spent = 100 - 50 - 20 = 30%
Total savings = 24x 100/30 = 80
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Tzu En
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Joe
Joe
3 months ago
Thanks
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Saanvi
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Hope this helps