Circle the greater quantity: 30% or 1/4

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?