Khalil and Alana deposit 500.00 into a savings account which earns 9% interest compounded annually. They want to use the money in the account to go on a trip in 3 years. How much will they be able to spend?

해법

K ha l i l an d A l ana d e p os i t 500.00 in t o a s a v in g s a cco u n t w hi c h e a r n s 9% in t eres t co m p o u n d e d ann u a ll y . T h ey w an t t o u se t h e m o n ey in t h e a cco u n t t o g o o n a t r i p in 3 ye a rs . Ho w m u c h w i ll t h ey b e ab l e t o s p e n d ?

Amount : 647.51

솔루션 단계

Translate the problem into an equation:

A = 500 (1 + \frac{0.09}{1})^{1 \cdot 3}

500 (1 + \frac{0.09}{1})^{1 \cdot 3} = 647.5145

가장 가까운 hundredth 으로 반올림:

647.51

Amount : 647.51