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פּוֹפּוּלָרִי Word Problems >

Brooklyn is going to invest in an account paying an interest rate of 3.5% compounded continuously. How much would Brooklyn need to invest, to the nearest ten dollars, for the value of the account to reach 640 in 9 years?

פתרון

B roo k l y n i s g o in g t o in v es t in an a cco u n t p a y in g an in t eres t r a t e o f 3.5% co m p o u n d e d co n t in u o u s l y . Ho w m u c h w o u l d B roo k l y n n ee d t o in v es t, t o t h e n e a res t t e n d o ll a rs, f or t h e v a l u e o f t h e a cco u n t t o re a c h 640 in 9 ye a rs ?

פתרון

Principal : 467.06

צעדי פתרון

Translate the problem into an equation:

640 = P e^{0.035 \cdot 9}

640 = P e^{0.035 \cdot 9}, P

פתור בשביל:

P = 467.06

Principal : 467.06

דוגמאות פופולריות

Hassan is going to invest in an account paying an interest rate of 2.3% compounded continuously. How much would Hassan need to invest, to the nearest ten dollars, for the value of the account to reach 1,130 in 8 years?Alexander invested 240 in an account paying an interest rate of 2.3% compounded annually. Assuming no deposits or withdrawals are made, how much money, to the nearest dollar, would be in the account after 9 years?three more than the quotient of a number and 6 equals 7 Michael is going to invest in an account paying an interest rate of 6.7% compounded continuously. How much would Michael need to invest, to the nearest dollar, for the value of the account to reach 100,000 in 14 years?Samantha invested 67,000 in an account paying an interest rate of 3.9% compounded continuously. Assuming no deposits or withdrawals are made, how much money, to the nearest dollar, would be in the account after 7 years?