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primary 5 | Maths | Whole Numbers
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Janice
Janice

primary 5 chevron_right Maths chevron_right Whole Numbers chevron_right Singapore

Pls help me with this question. Thank you!

Date Posted: 2 years ago
Views: 287
HiderApplecross
HiderApplecross
2 years ago
Use units & parts method

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Danny Low
Danny Low's answer
1016 answers (Tutor Details)
1st
Hope this helps
Janice
Janice
2 years ago
Thx...
Let c = Cheko's toy cars and k = Keddy's toy cars.

c + k = 370
0.25c = 0.2k + 25

20c = -20k + 7400
25c = 20k + 2500
------------------------
45c = 9900
c = 220

c + k = 370
(220) + k = 370
k = 150

220 - 150 = 70

Cheko collected 70 more cars than Keddy.
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Dj
Dj's answer
188 answers (A Helpful Person)
Janice
Janice
2 years ago
Thank you.