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人気のある Word Problems >

Hannah opened a savings account 10 years ago. The account earns 8% interest, compounded annually. If the current balance is 300.00, how much did she deposit initially?

解

H annah o p e n e d a s a v in g s a cco u n t 10 ye a rs a g o . T h e a cco u n t e a r n s 8% in t eres t, co m p o u n d e d ann u a ll y . I f t h e c u rre n t ba l an ce i s 300.00, h o w m u c h d i d s h e d e p os i t ini t ia ll y ?

解

Principal : 138.96

解答ステップ

Translate the problem into an equation:

300 = P (1 + \frac{0.08}{1})^{1 \cdot 10}

P

を解く

300 = P (1 + \frac{0.08}{1})^{1 \cdot 10} : P = 138.96

Principal : 138.96

人気の例

Dalton has 40 in an account that earns 10% interest compounded annually.To the nearest cent, how much interest will he earn in 1 year?twelve decreased by the sum of a number and ten The product of two consecutive even integers is 120. Find the integers The sum of two numbers is 56. The larger number is 20 more than the smaller number. What are the numbers?quotient of a number and 10