The probability that two or more people will be staying at the same hotel is a senate committee consists of six democrats and six republicans. if four people from the committee are selected at random, what is the probability that all four all four are democrats, given that at least one of them is a democrat?
the probability that all four are democrats is

Tyler went to the supermarket to buy food for a food pantry. he has $36, and can carry up to 20 pounds of food in his backpack. pasta costs $1 for a 1-pound package. pasta sauce costs $3 for a 1.5 pound jar. let x = the number of packages of pasta and y = the number of jars of pasta sauce. one package of pasta is the right amount to go with one jar of pasta sauce. what is the best numbers of packages of pasta and jars of pasta sauce to buy for the food pantry? how many packages of pasta? how many jars of pasta sauce? explain your reasoning.