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شائع Word Problems >

Mariana puts 300.00 into an account to use for school expenses. The account earns 7% interest, compounded monthly. How much will be in the account after 4 years?

الحلّ

M a r iana p u t s 300.00 in t o an a cco u n t t o u se f or sc h oo l e x p e n ses . T h e a cco u n t e a r n s 7% in t eres t, co m p o u n d e d m o n t h l y . Ho w m u c h w i ll b e in t h e a cco u n t a f t er 4 ye a rs ?

الحلّ

Amount : 396.62

خطوات الحلّ

Translate the problem into an equation:

A = 300 (1 + \frac{0.07}{12})^{12 \cdot 4}

300 (1 + \frac{0.07}{12})^{12 \cdot 4} = 396.61616 \dots

Round to the nearest hundredth:

396.62

Amount : 396.62

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