This question type is identical to "Guess and Check" which students have learnt in P3.
But in P4, a mathematical method is preferred to using a Guess/Check table.
The "Assumption" method is a required skill in P4 onwards
Such questions will begin to appear in P4 WA1 or SA1 in Section C.
In a carpark of 30 cars and motorcycles,
these vehicles have a total of 100 wheels.
How many motorcycles are there in this carpark?
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| What goes on at a car manufacturing plant? |
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