The blog postings are about the Singapore Math. The readers can learn from the postings on Solving Singapore Primary School Mathematics that teaches in Singapore Primary Schools. You or your kids can learn the skills of dealing with Math Modeling, Math Problem Solving, Problem Sum from Lower Primary School to Upper Primary School level after reading the blog postings. This posting is an upper primary school math question on Fraction, Ratio, and Problem Sum.

You can click here and read the posting on **A family in Singapore** about Sarin’s family.

You should read the posting on **Sarin learns concept of ratio in school **to understand the concept of Ratio.

Should read also the posting on **Sarin learns the concept of Fraction (mathematics concept)** to understand the concept of Fraction.

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

**Upper primary school mathematics question UPQ299**

At first 1/5 of Hairu’s money was the same as 1/6 of Sarin’s money. Sarin’s father gave him $48 later, while Hairu spent $120. In the end, Sarin had 1 1/2 times as much money as Hairu.

(a) How much money did Hairu have at first?

(b) How much money did Sarin have in the end?

…You can click here to read the solution…

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