Kan Ken Yat Rowan's answer to Nur Safinah's Secondary 4 E Maths Singapore question.

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Kan Ken Yat Rowan
Kan Ken Yat Rowan's answer
8 answers (Tutor Details)
1st
a) tom is having compound interest so based on the formulae...

b)ben::: calculate the amount he invested and then.. What he exchange into Usd now..
This amount of Usd is to be converted back to Sgd and the total is what he has.(p.s. typo error on the paper..they should write down Been instead of Harry)

c)use formulae in a) to solve part c)