Eric’s father works two part-time jobs, one in the morning and one in the
afternoon, and works a total of 40 hours each 5-day workweek. If his schedule is
the same each day, and he works 3 hours each morning, how many hours does Eric’s
father work each afternoon?
7.NS.3
10
2.
Henry is making a bookcase and has a total of 16 ft. of lumber. The left and
right sides of the bookcase are each 4 ft. high. The top, bottom, and two
shelves are all the same length, labeled S. How long is each shelf?