Chua Ee Ket,Joel's answer to Cindy's Primary 5 Maths question.

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Chua Ee Ket,Joel
Chua Ee Ket,joel's answer
71 answers (A Helpful Person)
1st
A more direct way would be to use algebra to solve. The working may seem long but its mainly because of presentation.hope its of use to you
Cindy
Cindy
6 years ago
Is there a shortcut way by taking the different of puffs and different of $ to find the answer? Thank you.