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شائع Word Problems >

Suppose you have 1600 in your savings account at the end of a certain period of time. You invested 1500 at a 5.12% simple annual interest rate. How long, in years, was your money invested?

الحلّ

S u pp ose yo u ha v e 1600 in yo u r s a v in g s a cco u n t a t t h e e n d o f a cer t ain p er i o d o f t im e . Y o u in v es t e d 1500 a t a 5.12% s im pl e ann u a l in t eres t r a t e . Ho w l o n g, in ye a rs, w a s yo u r m o n ey in v es t e d ?

الحلّ

Time : 1.3

خطوات الحلّ

Translate the problem into an equation:

1600 = 1500 (1 + 0.0512 t)

1600 = 1500 (1 + 0.0512 t), t

حلّ لـ:

t = 1.3

Time : 1.3

أمثلة شائعة

The sum of the squares of three consecutive integers is 110. Find the numbers five more than the square of a number five subtracted from the product of a number and-4 An isosceles triangle has an area of 37.5 square inches and a height of 7.5 inches.Which equation can you use to find the length of the triangle's base Find the balance if Callie invests the 9000 in a money market fund that earns 2.95% compounded daily for 8 years. Round to the nearest cent.