Final answer:
To write 55% as a decimal, move the decimal point two places to the left. To write 55% as a simplified fraction, divide the percentage by 100 and simplify if possible.
Step-by-step explanation:
To write 55% as a decimal, we move the decimal point two places to the left. This gives us 0.55.
To write 55% as a simplified fraction, we divide the percentage by 100 and simplify if possible. Doing so gives us the fraction 55/100, which can be further simplified to 11/20 by dividing the numerator and denominator by 5.
Learn more about Converting percentages to decimals and fractions