Felicia Tay's answer to Nongning's Primary 6 Maths question.

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Felicia Tay
Felicia Tay's answer
13 answers (Tutor Details)
1st
Express your percentages as ratios.
Example. Red bean-30% means red bean to green bean will be 3:7.

All alaphants (u,z and f) are simply units. Express the ratios of before and after in the same units(f) and you will be able to fond the worth of each unit.