Kari worked twice as many hours as chris. she also worked ten less than three times as many hours as mark. chris and mark worked the same number of hours

The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

Which of the following parabolas opens down?

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.