What is 20 over 80 simplified?

Does a trinangle have 2 obtuse angles? Is the interquartile range or IQR is found by subtracting the mean from the maximum value of a data set? What is the interior and exterior angle for a regular decagon? What is the LCM of 15 and 7? What are the answers to enVision math ca 5th grade for page 5? How is frequency of a pendulum related to the length of the pendulum string? How do you write the answer in scientific notation 64000 divided by 0.00004? What is the additive method? What is 111 over 100 as a percent? 22.9808 in word form? How do the rules for multiplying integers compare to the rules for dividing integers? How much approximately is three times the diameter of a circle? How is multiplying by a decimal by 100 similar to multiplying a whole number by 100 How is it different? What are the factors of 18 32? 15 divided your 107 step by step? Is 700 k bigger than 700 KB? What divided by 6.2 equals 4.5? What is another name for the third quartile of a data set? What math problem equals 327? What number is 2 x 2 x 3 x 3 x3?