Rajesh's answer to Rajesh's Primary 5 Maths Whole Numbers Singapore question.

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Rajesh
Rajesh's answer
2 answers (A Helpful Person)
1st
I dont know how to derive.. but answer I know is correct.. someone pl comment
Henry Tan
Henry Tan
5 years ago
1 set = 3 x $5 + $10 = $25
? sets = $350 / $25 = 14
Total number of $5 = 14 x 3 = 42.