The blog postings are about the Singapore Math. The readers can learn from the postings about Solving Singapore Primary School Mathematics. The blog presents the Math Concept, the Math Questions with solutions that teaches in Singapore Primary Schools. You or the kids can learn the skills of dealing with the Math Modeling, the 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, Average number and Problem solving.

Read the posting on** Sarin’s family in Kluang **about Sarin’s family venture in Kluang.

You can click and read the posting on **Sarin learns the concept of Fraction**** (mathematics concept)** to understand Portion or Fraction.

Read also the posting on **Sarin learns Average Number, Percentage and Charting in school (Math Concept)** to understand about Percentage.

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

**Upper primary school mathematics question UPQ478**

In Kluang, Sarin bought 4 different books from the Popular Book Shop. The first book cost $16 and the average cost of the remaining books was ¾ of the cost of the first book. How much did he pay for all the books?

Solution:

The average cost of the remaining books was ¾ fraction of the cost of the first book

4 units = $16

1 unit = $4

The average cost of the remaining 3 books = 3 × 4 = $12

The amount Sarin pay for all the books = 3 × 12 + 16 = $52

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