Answer: 11
Explanation:
k/90-1/9=1/90
Multiply left and right side of equation with 90 . You get:
k-10=1
k=10+1
k=11
Answer:
k = 11
k/90 - 1/9 = 1/90
k/90 = 1/90 + 1/9
k/90 = 1 + 10/90
k/90 = 11/90
k = 11/90 / 90
k = 11/90 * 90
4.4m questions
5.6m answers