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primary 5 | Maths
| Fractions
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Hi I'm not sure how to do this. I need help
Date Posted: 5 years ago
Views: 305
Btw 84-71=13 :)
:) silly mistake
Am too lazy to write out the working. So here it is...
Number of red marbles at first is 135 ÷ 9 × 5 = 75.
Numbers of red marbles remaining = 75 - 64 = 11
Number of blue marbles at first is 135 - 75 = 60
Total number of marbles remaining (before buying more) = 11 + 60 = 71
Therefore, number of blue marbles bought is 84-71=13.
Number of red marbles at first is 135 ÷ 9 × 5 = 75.
Numbers of red marbles remaining = 75 - 64 = 11
Number of blue marbles at first is 135 - 75 = 60
Total number of marbles remaining (before buying more) = 11 + 60 = 71
Therefore, number of blue marbles bought is 84-71=13.
Thanks for the working. :)
No problem. Hope you understand it :)
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