Question
P6.PC.JC.22031501-A1
PSLE
A box contained green marbles and grey marbles. 60% of the marbles were grey. After some black marbles were added to the box, 57% of the marbles were grey. What percentage of the marbles in the box were black?
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Primary 6 PERCENTAGE P6.PC.JC.22031501

30 Jun 2024, 02:51 PM

PSLE
A box contained green marbles and grey marbles. 60% of the marbles were grey. After some black marbles were added to the box, 57% of the marbles were grey. What percentage of the marbles in the box were black?
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