Answer:
Step-by-step explanation:
Area = 84sqaure inch
Width = 2 1/2inch = 5/2inch
Area = l × width
So: 84 = l × 5/2
168 = 5l
l =>168/5
l = 33 3/5
9/16+1/2 is the same thing as 9/16 + 8/16 so lets use that. and that =17/16 which when simplified is = 1 1/16
Hope it helps!