Question
PSLE
There are some stickers in albums J and K. 90% of the stickers in album J and 20% of the stickers in album K are round stickers. There is an equal number of oval stickers in both albums. If there are 840 more round stickers in album J than in album K, how many stickers are there in both albums altogether?
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PSLE
There are some stickers in albums J and K. 90% of the stickers in album J and 20% of the stickers in album K are round stickers. There is an equal number of oval stickers in both albums. If there are 840 more round stickers in album J than in album K, how many stickers are there in both albums altogether?