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vlabodo [156]
3 years ago
13

Analyze Manda's work. Is she correct? If not, what was her mistake?

Mathematics
1 answer:
yulyashka [42]3 years ago
7 0

Answer:

Option 3. In step 3, she did not subtract one x from the left side

Step-by-step 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

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