Respuesta :

Unknow1
2/5 = 2/10 + k
multiply both sides (each term) by 10, we get
10×2/5 = 10× 2/10 + k ×10
4 = 2 + 10k
OR 10k = 4 - 2
10 k = 2
k = 2 / 10
Or k = 1/5



meg6623
k=1/5=0.200
rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation.
2/5-(2/10+k)=0