Notes and Example

Autor:LIEW JB, Arthur Lee, Yrou Cheong

PROPORTION

What is proportion?

Comparing two quantities or numbers
Showing equality between two ratios

How to read: 4kg of biscuits costing RM58 is proportional to 2kg of biscuits costingRM29 4kg:RM58 2kg:RM29

Contoh 1

Contoh 1 — Calculate the mass of butter for 2 batches of batik cake Step 1: Write the ratio of the mass of butter for 2 cups of cooking chocolate 1 cup of cooking chocolate 200 g butter 2 cups of cooking chocolate ? g butter Step 2: Calculate the mass of butter 200 g 2= 400 g Answer: The mass of butter for 2 batches of the recipe is 400 g

Contoh 2

Contoh 2 — Calculate the price for 2 kg 400g green beans 2kg 400g=2kg +400g
Step 1: Write the ratio for price and mass in the scale.
1kg
2kg

1000g
100g
400g
Step 2 :

RM17+RM3.4=RM20.40

Answer: Price for 2kg 400g green beans is RM 20.40

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