Math, asked by arijit1661, 5 months ago

441=400(1+r/100)^2; find r

Answers

Answered by memithra2003

2

Answer:

The value of r is 5.

Step-by-step explanation:

441=400(1+r/100)^2

441/400=(1+r/100)^2

taking square root on both sides,

21/20=1+r/100

(21/20)-1=r/100

(21-20)/20=r/100

(1/20)*100=r

r=100/20 =5

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