The blog postings are about the Singapore Math. The readers can learn from the postings about Solving Singapore Primary School Mathematics. The blog postings present the Math Concept, Math Questions with solutions that teaches in Singapore Primary Schools. You or the kids can learn the skills to deal with Math Modeling, Math Problem Solving and Problem Sum from Lower Primary School to Upper Primary School level. This posting is an upper primary school math question on Percentage and Problem Sum.

You can read the posting on **Sarin’s family and Ramadan** in Welcome page about story of Sarin’s family during Ramadan.

To read also the posting on __Sarin learns Average Number, Percentage, Tables and Charts (Math Concept)__ to understand the concept of Percentage.

*Challenge yourself with the question before look out for the given solution‼*

**Upper primary school mathematics question UPQ537**

Every month, Sarin’s father saved $320 of his salary and spent the rest. In the month of Ramadan, his father spending increased by 4% and only managed to save $240. How much was Sarin’s father salary?

Solution:

The difference in saving = 320 – 240 = $80

The difference is equal to the 4% increase in spending in Ramadan month,

4% ==> 80

1% ==> 20

100% ==> $2000 (Spending in each month)

Sarin’s father salary is $2000 + $320 = $__2320__

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