Roger and Allie deposit 800.00 into a savings account which earns 11% interest compounded monthly. 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?

الحلّ

R o g er an d A ll i e d e p os i t 800.00 in t o a s a v in g s a cco u n t w hi c h e a r n s 11% 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 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 : 1111.1

خطوات الحلّ

Translate the problem into an equation:

A = 800 (1 + \frac{0.11}{12})^{12 \cdot 3}

800 (1 + \frac{0.11}{12})^{12 \cdot 3} = 1111.10290 \dots

Round to the nearest hundredth:

1111.1

Amount : 1111.1