The value of 0.6.....+0.7.......=------
A)7/3
B)21/6
C)21/9
D) Both A&C
Answers
Answered by
3
Answer:
13/9
Step-by-step explanation:
x = 0.666
multiply both side by 10
10x = 10 x 0.666
10x = 6.66
10x - x = 6.66 - 0.66
9x = 6
x = 6/9
x = 0.777
multiply both side by 10
10x = 10 x 0.777
10x = 7.77
10x - 1 = 7.77 - 0.77
9x = 7
x = 7/9
6/9 + 7/9 = 13/9
Similar questions