197k views
5 votes
2/5=2/10+k so at this equation what does k=?

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