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Primary 3 | Maths
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Date Posted: 5 years ago
Views: 318
1 round = 400+400+200+200
= 1200 m
total distance ran
= 1200+1200
= 2400 m
= 1200 m
total distance ran
= 1200+1200
= 2400 m
2nd tic: u
1st tic: u+200
3rd: u+60
u+u+20+u+60 = 800
u = 240
2nd ticket costs $240
1st tic: u+200
3rd: u+60
u+u+20+u+60 = 800
u = 240
2nd ticket costs $240
(a)
E took 3h 20min to complete
race starts at 9.10 a.m.
(b)
D took 2h 25min to complete
extra time E took more than D
is 55min
E took 3h 20min to complete
race starts at 9.10 a.m.
(b)
D took 2h 25min to complete
extra time E took more than D
is 55min
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Date Posted:
5 years ago
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