AC Lim's answer to Javier's Primary 3 Maths Singapore question.
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Hope this helps
Date Posted:
1 year ago
Thank you for the answer. I will practice more for this type questions.
Really appreciate for the ans.. get to know how to solves the difficult questions
Welcome.
These is another method to solve this type of questions.
Assumption method, teach on later or P4 or P5. It work this way...
Assumed all are motorcycles, total wheel = 30×2 = 60
Total wheel shortage = 96 -60 =36
Every motorcycle short of 2 wheels compare to car.
Therefore, total car = 36÷2 = 18 cars.
These is another method to solve this type of questions.
Assumption method, teach on later or P4 or P5. It work this way...
Assumed all are motorcycles, total wheel = 30×2 = 60
Total wheel shortage = 96 -60 =36
Every motorcycle short of 2 wheels compare to car.
Therefore, total car = 36÷2 = 18 cars.
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