Question
P6.PC.JC.22031501-A1
PSLE
A box contained red marbles and blue marbles. 40% of the marbles were blue. After some black marbles were added to the box, 12% of the marbles were blue. What percentage of the marbles in the box were black?
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STUDENT

Primary 6 PERCENTAGE P6.PC.JC.22031501

06 May 2024, 11:43 PM

PSLE
A box contained red marbles and blue marbles. 40% of the marbles were blue. After some black marbles were added to the box, 12% of the marbles were blue. What percentage of the marbles in the box were black?
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