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Primary 4 | Maths
2 Answers Below
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Please help me to solve above question. Thank you
Date Posted: 2 years ago
Views: 572
(a)
21÷(9-6)=7
(b)
7×9=63
21÷(9-6)=7
(b)
7×9=63
See 2 Answers
Let number of days be y.
9 x y = total number of pages
(6 x y) + 21 = total number of pages
So
9y = 6y + 21
3y = 21
y = 7
Number of days = 7
Number of pages = 9y = 9 x 7 = 63
9 x y = total number of pages
(6 x y) + 21 = total number of pages
So
9y = 6y + 21
3y = 21
y = 7
Number of days = 7
Number of pages = 9y = 9 x 7 = 63
Thank you
done
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Ans : 7 days / 63 pages
Date Posted:
2 years ago
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