At the beginning of 2009,Miss Wong deposited a sum of money in a bank at an interest rate of 8% p.a.compounded yearly.If the interest she will receive at the beginning of 2011 is 12480,find(a)the principal(b)the amount she can receive at the beginning of 2014.

问题描述:

At the beginning of 2009,Miss Wong deposited a sum of money in a bank at an interest rate of 8% p.a.compounded yearly.If the interest she will receive at the beginning of 2011 is 12480,find(a)the principal
(b)the amount she can receive at the beginning of 2014.