Question
P6.RD.TL.16010106-A2
There were some erasers in Packet E and Packet F. After Riordan transferred 15 of the erasers from Packet E to Packet F, the ratio of the number of erasers in Packet E to that in Packet F changed to 1 : 8. Find the ratio of the numbers of erasers in Packet F to the number of erasers in Packet E at first.
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STUDENT

Primary 6 RFPD P6.RD.TL.16010106

19 May 2024, 01:04 PM

There were some erasers in Packet E and Packet F. After Riordan transferred 15 of the erasers from Packet E to Packet F, the ratio of the number of erasers in Packet E to that in Packet F changed to 1 : 8. Find the ratio of the numbers of erasers in Packet F to the number of erasers in Packet E at first.
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