A roller coaster can load 60 passengers every 5 minutes. Complete the double number line to show how many people can be uploaded per minute.

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.

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.