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primary 5 | Maths | Decimals
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Lim jia an
Lim Jia An

primary 5 chevron_right Maths chevron_right Decimals chevron_right Singapore

I need the correct answer pls

Date Posted: 2 years ago
Views: 327

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a)
1 carton can contain 250 cans
2 cartons can contain 2*250 =500
3 cartons can contain 3*250 =750
4 cartons can contain 4*250 = 1000
5 cartons can contain 5*250 = 1250
6 cartons can contain 6*250 =1500

so just need 6 cartons to pack 1425 cans

b) zero cans left after using 6 cartons
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Yeo Kenny
Yeo Kenny's answer
11 answers (Tutor Details)
1st
Lim jia an
Lim Jia An
2 years ago
I din’t understand i need another methou
Yeo Kenny
Yeo Kenny
2 years ago
okay 1 carton can pack 250 cans right?
Lim jia an
Lim Jia An
2 years ago
Ya
Yeo Kenny
Yeo Kenny
2 years ago
how about 2 cartons.. how many can I pack?
Lim jia an
Lim Jia An
2 years ago
500
Yeo Kenny
Yeo Kenny
2 years ago
Good! how about 6 cartons? how many can you pack?
Eric Nicholas K
Eric Nicholas K
2 years ago
I think the fact that they wanted “how many cans were left unpacked” suggests that the earlier cartons must be complete ones.

For this question, we have 5 cartons with 175 cans left over.

Maybe the question could have been better indicated at the start as “the cans are packed into several complete cartons, with some cans being left over”.
Eric Nicholas K
Eric Nicholas K
2 years ago
Normally otherwise they would ask “what is the minimum number of cartons required to pack all the cans”.
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Teacher Sya
Teacher Sya's answer
44 answers (A Helpful Person)
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