Ong Wee Kong's answer to AnxiousMum's Primary 5 Maths question.

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Ong Wee Kong
Ong Wee Kong's answer
11 answers (Tutor Details)
Opp made a mistake. I added one more $385 to the 10 units we already have. Thanks for pointing out. Anyway, please see the correction for correct working. Cheers!