Question
PSLE
Gabby had a bottle of dettol. She used an equal amount of dettol each day. At the end of the 12th day, 13 of the bottle was left. At the end of the 14th day, the amount of dettol left was 700 mℓ. What was the amount of dettol in the bottle at first? Express your answer in mℓ.
2 m

Click button first when a symbol is required. X

PSLE
Gabby had a bottle of dettol. She used an equal amount of dettol each day. At the end of the 12th day, 13 of the bottle was left. At the end of the 14th day, the amount of dettol left was 700 mℓ. What was the amount of dettol in the bottle at first? Express your answer in mℓ.