For breakfast, bill had a bacon, egg, and cheese biscuit and two hotcakes totaling 660 calories. phil had a bacon, egg, and cheese biscuit and three hotcakes totaling 780 calories. how many calories are in one hotcake? one bacon, egg, and cheese biscuit?

Suppose that prices of a gallon of milk at various stores in one town have a mean of $3.71 with a standard deviation of $0.10. using chebyshev's theorem, what is the minimum percentage of stores that sell a gallon of milk for between $3.41 and $4.01? round your answer to one decimal place.