You can read posting **Sarin and his coin bank** on the story of coin bank.

Read also posting on **Sarin and the million numbers** to understand concept of dollars and cents.

Lower primary school mathematics question LPQ32

Sarin and Hairu counting the money they have in their coin banks. If Sarin has $80 more than Hairu. How much money must Sarin give to Hairu so that he will have $14 more than Hairu?

Solution:

Since the money that Sarin and Hairu is different of $80, we can draw a model base on the amount,

Model:

From the above model,

2 units = 80 – 14 = 66

1 unit = $33

Sarin needs to give Harin 33 + 14 = $47

A simple check,

Sarin left with 80 – 47 = $33

Hairu has 47 – 33 = $14 more than Sarin

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