Brainliest is given if the answer's correct! Last summer Wanda painted a house that had a surface are of 2800 square feet. Each can of paint she used covers 400 square feet. Wanda first painted the house with one coat of paint that cost $22.25 per gallon. How much more did Wanda spend for the finish paint?

A. $278.25

B. $4.75

C. $155.75

D. $122.50

F. $33.25

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.