Answer:
Option 3. In step 3, she did not subtract one x from the left side
Explanation:
we have the repeating decimal
0.272727...
Convert to fraction number
step 1
Let
x=0.272727...
step 2
Multiply by 100
100x=27.272727...
step 3
Subtract x from 100x
100x-x=27
99x=27
step 4
Find the value of x
x=27/99
therefore
Manda's work is not correct
In step 3, she did not subtract one x from the left side