What is 5% of 20 and how do i get the answer

The graph shows the distance kerri drives on a trip. what is kerri's speed?

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.