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인기 있는 Word Problems >

loise invested at 3.5% pa simple interest over 4 years. If her total interest is 910, how much did she originally invest?

해법

l o i se in v es t e d a t 3.5% p a s im pl e in t eres t o v er 4 ye a rs . I f h er t o t a l in t eres t i s 910, h o w m u c h d i d s h e or i g ina ll y in v es t ?

해법

Principal : 6500

솔루션 단계

Translate the problem into an equation:

910 = P \cdot 0.035 \cdot 4

P

해결 대상

, 910 = P \cdot 0.035 \cdot 4 : P = 6500

Principal : 6500

인기 있는 예

if the sum of two consecutive integers is 27 then the integers are The 차이 of 5 and a number is 2.6 more than three times the number.Write an equation letting x be the unknown number.five subtracted from a number is 4.Eight increased by the product of a number and six is less than-27 Hakim opened a savings account and deposited 500.00 as principal. The account earns 11% interest, compounded annually. What is the balance after 9 years?