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2/5=2/10+k so at this equation what does k=?
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5 votes
2/5=2/10+k so at this equation what does k=?

User Aaron Ullal
by
8.1k points

2 Answers

4 votes
K + 2/10 = 2/5

K = -2/10 + 2/5

K = -2/10 + 4/10

K = 2/10

K = 1/5
User Trydis
by
7.5k points
6 votes

(2)/(5)= (2)/(10)+k ⇒
(2)/(5)= (2/2)/(10/2)+k


(2)/(5)= (1)/(5)+k ⇒
k= (2)/(5)- (1)/(5)


\boxed { k= (1)/(5) }
User Saleh Sereshki
by
7.7k points
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