AC Lim's answer to Sophie's Primary 5 Maths Whole Numbers Singapore question.
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Since bought in same number of red and blue pen.
The different remains unchanged.....
The different is 1644 - 274 = 1370.
At the end, 2u = 1370
1u = 685.
Total in the end, 4u = 4x685 = 2740
The red and blue pen bought in
= 2740-1644-274
= 822.
Hope this helps
The different remains unchanged.....
The different is 1644 - 274 = 1370.
At the end, 2u = 1370
1u = 685.
Total in the end, 4u = 4x685 = 2740
The red and blue pen bought in
= 2740-1644-274
= 822.
Hope this helps
Date Posted:
4 years ago
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