Beliebt >

Kathleen earned some money doing odd jobs last summer and put it in a savings account that earns 4% interest compounded annually. After 7 years, there is 100.00 in the account. How much did Kathleen earn doing odd jobs?Round your answer to the nearest cent.

Lösung

Lösung

Principal : 75.99

Schritte zur Lösung

Translate the problem into an equation:

100 = P (1 + \frac{0.04}{1})^{1 \cdot 7}

Löse nach

P, 100 = P (1 + \frac{0.04}{1})^{1 \cdot 7} : P = 75.99

Principal : 75.99

Beliebte Beispiele

Ishaan is 2 times as old as Christopher. 35 years ago, Ishaan was 7 times as old as Christopher. How old is Ishaan Emmett opened a savings account and deposited 700.00. The account earns 1% interest, compounded quarterly. If he wants to use the money to buy a new bicycle in 3 years, how much will he be able to spend on the bike?The reciprocal of five less than a number is 4 times the reciprocal of twice the number. Find the number.The sum of 2 times a number and 6 is 8.twice the differenz of a number and 6 is at most 22