Josiah and Rosanne deposit 4,000.00 into a savings account which earns 5% interest compounded quarterly. 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

J os iah an d R os ann e d e p os i t 4, 000.00 in t o a s a v in g s a cco u n t w hi c h e a r n s 5% in t eres t co m p o u n d e d q u a r t er l 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 : 4643.02

솔루션 단계

Translate the problem into an equation:

A = 4000 (1 + \frac{0.05}{4})^{4 \cdot 3}

4000 (1 + \frac{0.05}{4})^{4 \cdot 3} = 4643.01807 \dots

가장 가까운 hundredth 으로 반올림:

4643.02

Amount : 4643.02