Question 1 Best Painters charges $100 to paint a room and $15 per can of paint used. Top Painters charges $75 to paint a room and $30 per can of paint used. Which
equation could be used to find the number of cans of paint (p) for which the cost of the two companies is the same?
Answer
A 45p = 175
B
p(100-15) -p(75.30)
C100p + 15 = 75p + 30
D 15p + 100 = 30p + 75

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?