## Question

secondary 4 | E Maths

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##### Nur Safinah

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Can someone explain to me whr they got the \$500 from ? Question 43b

Date Posted: 4 months ago
Views: 43
Jonah Goh
4 months ago
Firstly the question is already wrong. 43b) should be asking how much money Ben had after 4 years(based on ans key). The 500 is actually from the interest. The answer key is also wrong.
5% x 2500 x 4 =? Work that out and you will understand
Nur Safinah
4 months ago
Thank you !
Eric Nicholas K
4 months ago
Possibly a case of mistyping or a ‘copy-and-paste’ error from the publisher. There do exist mistakes in answer sheets from time to time.

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##### Kan Ken Yat Rowan's answer
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)
Date Posted: 4 months ago