The answer to your question is 5
to change any decimal to a fraction, we simply <u>use as many zeros on the denominator as there are decimals and lose the dot</u>.
1.18 has two decimals, so we'll use two zeros at the bottom, and lose the dot.

The answer would be y=-4 and x=4, so pick which ever number/letter has this answer.
The decimal in standard form for 12 and six hundredths is 12.06