Peter and Maggie deposit 1,000.00 into a savings account which earns 7% interest compounded monthly. They want to use the money in the account to go on a trip in 2 years. How much will they be able to spend?

해법

P e t er an d M a gg i e d e p os i t 1, 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 7% in t eres t co m p o u n d e d m o n t h 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 2 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 : 1149.81

솔루션 단계

Translate the problem into an equation:

A = 1000 (1 + \frac{0.07}{12})^{12 \cdot 2}

1000 (1 + \frac{0.07}{12})^{12 \cdot 2} = 1149.80601 \dots

가장 가까운 hundredth 으로 반올림:

1149.81

Amount : 1149.81