Question
P6.RD.JC.22031807-A1
PSLE
Irene had a box of purple balls and black balls in the ratio 13 : 7. She removed an equal number of purple balls and black balls from the box. The ratio of the number of purple balls and black balls left in the box became 3 : 1. What percentage of the balls were left in the box?
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STUDENT

Primary 6 RFPD P6.RD.JC.22031807

17 May 2024, 01:09 PM

PSLE
Irene had a box of purple balls and black balls in the ratio 13 : 7. She removed an equal number of purple balls and black balls from the box. The ratio of the number of purple balls and black balls left in the box became 3 : 1. What percentage of the balls were left in the box?
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