Question

Find the mystery number "c" using these facts about "c".

. 1.5 < c < 2
. "c" can be written as a fraction with one digit for the numerator and one digit for the denominator.
. Both "c" and 1/c can be written as finite (non-repeating) decimals. What is this mystery number?

Answer 1

I think it's 1.6

1.6 as a fraction is 8/5 and it says that it can only be one digit for the numerator and denominator.

1.6 is not a repeating decimal.

I you go further, for example, 1.7

The fraction of it is 17/10. You can't reduce it to a smaller one digit number.

Hope this helped!!