400
Kyle swam 50 minutes on Monday, 30 minutes on Tuesday, and 40 minutes on Wednesday. Over the same days, Lavar swam for a total of 20 minutes more than Kyle. What is the total amount of time, in minutes, that Lavar swam?
Write an equation using a letter to represent the unknown.
Solve.
What is (50 + 30 + 40) + 20 = m?
What is 140 minutes?