TIEW KAI JIE NICHOLAS's answer to Nora's Primary 5 Maths Whole Numbers Singapore question.
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12 Textbooks + 7 Storybooks = $193
1 Textbook + 1 Storybook = $19
7 Textbooks + 7 Storybook = $19 x 7 = $133
5 Textbooks = $193 - $133 = $60
1 Textbook = $60/5 = $12
1 Storybook = $19 - $12 = $7
1 Textbook + 1 Storybook = $19
7 Textbooks + 7 Storybook = $19 x 7 = $133
5 Textbooks = $193 - $133 = $60
1 Textbook = $60/5 = $12
1 Storybook = $19 - $12 = $7
Date Posted:
3 years ago
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