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Beliebt Word Problems >

Isabella inherited some money from her grandfather and put it in a bank account that earns 15% interest compounded quarterly. After 2 years, Isabella had 500.00 in the bank account. How much interest did she earn?

Lösung

I s ab e ll a inh er i t e d so m e m o n ey f ro m h er g r an df a t h er an d p u t i t in a bank a cco u n t t ha t e a r n s 15% in t eres t co m p o u n d e d q u a r t er l y . A f t er 2 ye a rs, I s ab e ll a ha d 500.00 in t h e bank a cco u n t . Ho w m u c h in t eres t d i d s h e e a r n ?

Lösung

Interest : 127.55

Schritte zur Lösung

Translate the problem into an equation:

500 = 372.44758 \dots + I

Löse nach

I, 500 = 372.44758 \dots + I : I = 127.55

Interest : 127.55

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