The completion time for three runners in a 100 yard dash are 9.75 seconds 9.7 seconds and 9.675 seconds. which is the winning time?

Which of the following expressions are equivalent ?

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.

Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost