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You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

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.