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1 vote
0.87 repeating as a fraction

1 Answer

7 votes

Answer:

79 over 90

Explanation:

Let 10x =8.7

and

100x = 87.7

We now have two equations. Subtracting the largest from the smallest:

100x = 87.7

10x = 8.7

-------------

90x = 79

x = 79

90

Hence,

0.877777...= 79

90.

Hopefully this helps!

User Valentin Nemcev
by
8.5k points

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