Dorson's answer to Gwen Beatrice's Primary 5 Maths Whole Numbers Singapore question.
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Since number of notebooks is equal to number of pencils.
1 notebook + 1 pencil = I set
Cost of 1 set = $1.80 + $0.70
= $2.50
Number of sets =$75 ÷ $2.50
= 30
Number of pencils = 30 x 1
= 30
1 notebook + 1 pencil = I set
Cost of 1 set = $1.80 + $0.70
= $2.50
Number of sets =$75 ÷ $2.50
= 30
Number of pencils = 30 x 1
= 30
Date Posted:
3 years ago
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