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primary 6 | Maths
| Fractions
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Q13
Ayshan has some rabbits and chickens in his farm. There are 100 heads and 280 legs altogether. How many rabbits and how many chickens does he have in his farm?
Q14
There are 35 bicycles and tricycles in the park. There are 85 wheels altogether. How many bicycles and how many tricycles are there?
Do note that I do NOT want you to solve using 'Guess and check' method.
r: 1u
c: 100 - 1u
legs
r: 4u
c: (100 - 1u) . 2 = 200 - 2u
2u = 80
1u = 40
40 r & 60 c
.
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