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Primary 4 | Maths
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Rachael
Rachael

Primary 4 chevron_right Maths chevron_right Singapore

Is the answer for (a) 9/20? I have no idea how to do (b). Please help.

Date Posted: 4 years ago
Views: 504
snell
Snell
4 years ago
at first
r beads: 20u
b beads: 20u

after
r beads: 15u
b beads: 16u

(a)
fraction = 9/40

OR

(1/5 + 1/4)/2 = 9/40



(b)
31u = 93
1u = 3

at first, 60 red beads

.
.
.
Rachael
Rachael
4 years ago
No wonder I can’t divide & finds it weird.... thanks alot, Snell.
Rachael
Rachael
4 years ago
Snell, could you click “answer”? Because I won’t be able to continue asking questions.

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Snell answered in the comments section
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Rachael
Rachael's answer
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