If 20 is one third of a number the result is the double of the number. what is the number?
2 answers:
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Answer:
Step-by-step explanation:
<u>Convert a Repeating Decimal to a Fraction </u>
We need to convert the following decimal to a fraction:
Let's call x to the given number:
The number has two repeating (periodic) decimals, thus we multiply by 100:
Note the decimals continue to repeat exactly like the original number.
Subtracting both expressións, the repeating decimals are simplified:
Operating:
99x=-37
Dividing by 99:
The fraction cannot be simplified, thus:
