Question
PSLE
Mrs Chan had a bottle of syrup. She used an equal amount of syrup each day. At the end of the fourth day, she had 400 mℓ of syrup left. At the end of the sixth day, she had half of the bottle of syrup left. How many litres of syrup were there in the bottle at first?
2 m

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PSLE
Mrs Chan had a bottle of syrup. She used an equal amount of syrup each day. At the end of the fourth day, she had 400 mℓ of syrup left. At the end of the sixth day, she had half of the bottle of syrup left. How many litres of syrup were there in the bottle at first?