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primary 6 | Maths | Percentage
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Zi qi
Zi Qi

primary 6 chevron_right Maths chevron_right Percentage chevron_right Singapore

Please help me !! Please !!

Date Posted: 1 week ago
Views: 19
Eric Nicholas K
Eric Nicholas K
1 week ago
67 blue and red beads at first
121 blue and red beads in the end

This is due to the 150% increase to a new of 250%. Clearly this corresponds to 121 - 67 = 54 blue beads.

Let 100% be 100 units and 250% be 250 units.

There is an increase of 150 units equaling 54 beads.

150 units = 54 beads
50 units = 18 beads
100 units = 36 beads

Number of red beads
= 67 - 36
= 31

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AC Lim
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