2 values, in which one is a fraction of another, each undergoes fractional decrease and the total amount left is provided.
Such questions will need students to make use of common multiples and comparison models in order to solve.
Such questions are common in Paper 2 of P5/P6 exams.
Calculator usage is allowed.
An easier version of this question for P4 students can be found here.
Alan and Ben each have some water in their bottles.
The volume of water Alan have is 1/2 of the volume of water that Ben have.
After Alan drank 1/3 of his water and Ben drank 3/4 of his water,
both boys have 560ml of water left altogether.
What is the total volume of water both boys have at first?
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| Army water bottle is also known as a water canteen |
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