Which of the following facts did your answer include?
the set of integers is closed under addition, subtraction, and multiplication.
the set of integers is not closed under division.
give a counterexample to show that the integers are not closed under division. for example, 1 divided by 3 is not an integer.

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250