zoie's answer to Mohamed Feroz's Primary 5 Maths Singapore question.

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zoie
Zoie's answer
1 answers (A Helpful Person)
1st
18% -> 90
1%-> 90 ÷ 18
= 5
100%+18%= 118% ( the percentage of stamps she has this year) )
118%-> 5 x 118
=590 (answer)