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شائع Word Problems >

Johnny deposited 600.00 into a new savings account that earns 9% interest compounded annually. How long will it take for the balance to grow to 682.00?Round your answer to the nearest month.

الحلّ

J o hnn y d e p os i t e d 600.00 in t o a n e w s a v in g s a cco u n t t ha t e a r n s 9% in t eres t co m p o u n d e d ann u a ll y . Ho w l o n g w i ll i t t ak e f or t h e ba l an ce t o g ro w t o 682.00 ? R o u n d yo u r an s w er t o t h e n e a res t m o n t h .

الحلّ

Time : 1.49

خطوات الحلّ

Translate the problem into an equation:

682 = 600 (1 + \frac{0.09}{1})^{1 \cdot t}

682 = 600 (1 + \frac{0.09}{1})^{1 \cdot t}, t

حلّ لـ:

t = 1.49

Time : 1.49

أمثلة شائعة

24 is 0.6% of what number Two times the sum of a number and three is five more than the number 49 is 35% of what number?Nine time the sum of a number and 7 is equal to 8 The product of two consecutive integers is 342. Which quadratic equation can be used to find x, the greater number?