Ray Ho's answer to Ans's Primary 4 Maths Singapore question.
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A has 411
B has 121
411 - 121 = 290
A has 290 more than B so
For B to have 60 more it has to be
290 /2 = 145
60 /2 = 30
You bring 145 books to be the same
Then bring another 30 books you have 60 more
Total you have to move
145 + 30 books = 175 books
B has 121
411 - 121 = 290
A has 290 more than B so
For B to have 60 more it has to be
290 /2 = 145
60 /2 = 30
You bring 145 books to be the same
Then bring another 30 books you have 60 more
Total you have to move
145 + 30 books = 175 books
Date Posted:
3 years ago
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