Jael Png's answer to Bernice's Primary 6 Maths Ratio Singapore question.
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A)
The sponge & Pandan : chiffon is 14:9.
1/3 of chiffon is sold means 3 units are sold away.
The ratio of sponge & Pandan : chiffon become 14:6.
In order to make it comparable to the chiffon : sponge ratio of 4:5, double both sides of 14:6 to make is 28:12.
When tripled both sides for chiffon : sponge, it will be 12:15 and the chiffon will have the same units.
Then, take the units of sponge & Pandan and minus away the sponge units to find the Pandan units.
Lastly, take all the units you have for each type of cake and put them together in a ratio.
The sponge & Pandan : chiffon is 14:9.
1/3 of chiffon is sold means 3 units are sold away.
The ratio of sponge & Pandan : chiffon become 14:6.
In order to make it comparable to the chiffon : sponge ratio of 4:5, double both sides of 14:6 to make is 28:12.
When tripled both sides for chiffon : sponge, it will be 12:15 and the chiffon will have the same units.
Then, take the units of sponge & Pandan and minus away the sponge units to find the Pandan units.
Lastly, take all the units you have for each type of cake and put them together in a ratio.
Date Posted:
2 years ago
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