Ruby invested 6,200 in an account paying an interest rate of 4.3% compounded continuously. Assuming no deposits or withdrawals are made, how much money, to the nearest hundred dollars, would be in the account after 12 years?

Solution

R u b y in v es t e d 6, 200 in an a cco u n t p a y in g an in t eres t r a t e o f 4.3% co m p o u n d e d co n t in u o u s l y . A ss u min g n o d e p os i t s or w i t h d r a w a l s a re ma d e, h o w m u c h m o n ey, t o t h e n e a res t h u n d re d d o ll a rs, w o u l d b e in t h e a cco u n t a f t er 12 ye a rs ?

Amount : 10386.94

Solution steps

Translate the problem into an equation:

A = 6200 e^{0.043 \cdot 12}

6200 e^{0.043 \cdot 12} = 10386.94045 \dots

Round to the nearest hundredth:

10386.94

Amount : 10386.94