一道关于利率的数学题 英文
1:what equal deposits,one made now and another made 6 nonths later, will accumulate to $1000 in 1 year at 7.5% compounded semi-annually?
2:Determine, to the nearest half year, how long it ill take $100 to accumulate to $500 at 6.5% compounded semi-annually?
要详细解题过程 谢谢了 !