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פּוֹפּוּלָרִי Word Problems >

Javier deposited 321 in an account earning 5% interest compounded annually.To the nearest cent, how much interest will he earn in 4 years?

פתרון

J a v i er d e p os i t e d 321 in an a cco u n t e a r nin g 5% in t eres t co m p o u n d e d ann u a ll y . T o t h e n e a res t ce n t, h o w m u c h in t eres t w i ll h e e a r n in 4 ye a rs ?

פתרון

Interest : 69.18

צעדי פתרון

Translate the problem into an equation:

390.17750 \dots = 321 + I

390.17750 \dots = 321 + I, I

פתור בשביל:

I = 69.18

Interest : 69.18

דוגמאות פופולריות

In 2 years, David wants to buy a bicycle that costs 600.00. If he opens a savings account that earns 4% interest compounded quarterly, how much will he have to deposit as principal to have enough money in 2 years to buy the bike?6 more than a number.Harper opened a savings account and deposited 4,000.00 as principal. The account earns 13% interest, compounded quarterly. What is the balance after 10 years?A number times twelve.9 is 45% of what number