Choosing a number from 1 to 10 what is the probability of choosing a number less than 3?
about 2% chance.
there are ten numbers and you want to choose a number less than three. there are only two numbers less than three; 1 & 2. because there are only 2 numbers less than three and 10 to choose from, it becomes a 2% chance.
you paint 1/2 the wall in 1/4 of the hour or 15 min. but you need to paint the whole wall so 15*2=30 so you can finish painting 30 min or 2/4 or .5 of the hour
3,200 is 6.84375% of 219.