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primary 6 | Maths | Percentage
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Rhea
Rhea

primary 6 chevron_right Maths chevron_right Percentage chevron_right Singapore

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Date Posted: 8 months ago
Views: 103
sstrike
Sstrike
8 months ago
key
make denominator same

25% = ¼ = ⁵⁄₂₀ 【E】
35% = ⁷⁄₂₀ 【F】

D=20u
in the end
D = 20u-5u-7u = 8u
8u = 720÷3= 240
u = 30

at first
E=8u-5u = 3u
F=8u-7u = 1u
E-F = 2u = 60 (Ans)

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NICOLE poon
Nicole Poon's answer
5 answers (Tutor Details)
1st
- find the amount given by daisy
- subtract the amount given from the end amount to get the initial amounts

- find the difference in the initial amounts