The average age if three people running for election is 42. A fourth person joins the rice and the average drops to 40. What is the fourth person’s age?

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.