Answer:
A ratio is defined as the comparison of one size of a number to the size of another number. A most convenient number to use when comparing numbers is 100. Ratios in which one number is compared to 100 are called percents. The word percent comes from the Latin word per centum.
Convert to fraction (mixed number): 2.75 = 2 + 0.75
Convert to decimal: 275% = 2.75
Problem: Convert 275% to a decimal and to a simplified fraction