# Sarin’s family celebrating Hari Raya Puasa part 15 (Math Question)

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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, Math Questions with solutions that teaches in Singapore Primary Schools. You or the kids can acquire the skills to deal with Math Modeling, Math Problem Solving and 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 Algebra and Problem Sum.

You can read the postings on Sarin’s family celebrating Hari Raya Puasa and Sarin’s family and Ramadan in Welcome page about story of Sarin’s family during Ramadan and Hari Raya Puasa.

Read the posting on Sarin learns Symbol, Algebra and Equation in school (Math Concept) to understand the concept of Algebra.

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

Upper primary school mathematics question UPQ382

Hairu took out (20y + 2) pieces of Kueh Lapis from the kitchen to serve their relatives during Hari Raya Puasa open house. He gave 4 pieces of Kueh Lapis to each of their relatives and had 4y pieces of Kueh Lapis left. How many relatives visited them at open house?

Solution:

He left with 4y pieces of Kueh Lapis

The number of Kueh Lapis given to relatives = 20y + 2 – 4y = 16y + 2

Each relative had 4 pieces of  Kueh Lapis

The number of relatives = (16y + 2)/4 = (4y + ½)