Gabe and Justine deposit 5,000.00 into a savings account which earns 12% 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?

Solution

G ab e an d J u s t in e d e p os i t 5, 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 12% 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 : 7128.8

Solution steps

Translate the problem into an equation:

A = 5000 (1 + \frac{0.12}{4})^{4 \cdot 3}

5000 (1 + \frac{0.12}{4})^{4 \cdot 3} = 7128.80443 \dots

Round to the nearest hundredth:

7128.8

Amount : 7128.8