Dana opened a savings account and deposited 400.00. The account earns 15% interest, compounded annually. If she wants to use the money to buy a new bicycle in 2 years, how much will she be able to spend on the bike?

الحلّ

D ana o p e n e d a s a v in g s a cco u n t an d d e p os i t e d 400.00. T h e a cco u n t e a r n s 15% in t eres t, co m p o u n d e d ann u a ll y . I f s h e w an t s t o u se t h e m o n ey t o b u y a n e w bi cyc l e in 2 ye a rs, h o w m u c h w i ll s h e b e ab l e t o s p e n d o n t h e bik e ?

Amount : 529

خطوات الحلّ

Translate the problem into an equation:

A = 400 (1 + \frac{0.15}{1})^{1 \cdot 2}

400 (1 + \frac{0.15}{1})^{1 \cdot 2} = 529

Amount : 529