Hector puts together two tables to make a long table for a class picnic.
One table is 7 feet 7 inches long. The other table is 6 feet 9 inches long.
What is the total length of the two tables?
To add the two lengths of the tables, convert both measurements to the same unit. Let's convert them both to inches.
7 feet and 7 inches is equal to 7 * 12 + 7 = <<7*12+7=91>>91 inches.
6 feet and 9 inches is equal to 6 * 12 + 9 = <<6*12+9=81>>81 inches.
Now, we can add the two lengths together: 91 + 81 = <<91+81=172>>172 inches.
Therefore, the total length of the two tables is 172 inches.