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Popular Word Problems >

Kenneth puts 400.00 into an account to use for school expenses. The account earns 9% interest, compounded annually. How much will be in the account after 7 years?

Solution

Ke nn e t h p u t s 400.00 in t o an a cco u n t t o u se f or sc h oo l e x p e n ses . T h e a cco u n t e a r n s 9% in t eres t, co m p o u n d e d ann u a ll y . Ho w m u c h w i ll b e in t h e a cco u n t a f t er 7 ye a rs ?

Solution

Amount : 731.22

Solution steps

Translate the problem into an equation:

A = 400 (1 + \frac{0.09}{1})^{1 \cdot 7}

400 (1 + \frac{0.09}{1})^{1 \cdot 7} = 731.21564 \dots

Round to the nearest hundredth:

731.22

Amount : 731.22

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