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Question
primary 5 | Maths
| Whole Numbers
2 Answers Below
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I haven't learnt this topic in a long time so I need the steps and explanation to understand. Pls use the guess and check method, thanks!
Date Posted: 3 years ago
Views: 163
Use assumption method if you want faster and easier way ...
Total leg . 117
Total stools = 32
Let start... 4 simple steps.
1. Let assumed all are 3 leg stools Total legs = 32×3 = 96
2. Shortfall of legs = 117-96= 21
3. The difference legs of 4 leg stools and 3 leg stools = 4-3=1
4. Therefore number of 4 legs stools = 21÷1=21 4-leg stools.
So, answer
3 leg stools = 32-21 = 11
4 leg stools = 21..
Total leg . 117
Total stools = 32
Let start... 4 simple steps.
1. Let assumed all are 3 leg stools Total legs = 32×3 = 96
2. Shortfall of legs = 117-96= 21
3. The difference legs of 4 leg stools and 3 leg stools = 4-3=1
4. Therefore number of 4 legs stools = 21÷1=21 4-leg stools.
So, answer
3 leg stools = 32-21 = 11
4 leg stools = 21..
See 2 Answers
done
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Try using trial and error, using a table to help you make guesses one by one.
Date Posted:
3 years ago
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