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primary 6 | Maths
| Fractions
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Date Posted: 4 years ago
Views: 221
Ate ⅓ means remaining cake is ⅔ of the whole cake.
Mass of remaining cake
= ⅔ x 5kg
= 10/3 kg
Since he cut into pieces of 1/6 kg each,
Number of pieces
= 10/3 kg ÷ 1/6 kg
= 10/3 x 6
= 10 x 2
= 20
Mass of remaining cake
= ⅔ x 5kg
= 10/3 kg
Since he cut into pieces of 1/6 kg each,
Number of pieces
= 10/3 kg ÷ 1/6 kg
= 10/3 x 6
= 10 x 2
= 20
Another way :
5kg = 5 kg x 1
= 5 kg x 6/6
= 30/6 kg
= 30 x 1/6 kg
That's the same as 30 pieces.
Remaining cake is the same as
⅔ x 30
= 20 pieces
5kg = 5 kg x 1
= 5 kg x 6/6
= 30/6 kg
= 30 x 1/6 kg
That's the same as 30 pieces.
Remaining cake is the same as
⅔ x 30
= 20 pieces
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