Answer:
length of miniature couch for the dollhouse is 3.75 inch long
Explanation:
Janie’s couch is 7 and 1/2 feet long.
The scale of the dollhouse is 1 inch : 2 feet.
1/2 feet is 0.5 feet long
So couch is 7+0.5 = 7.5 feet long
2 feet is 1 inch long is the scale drawing
We convert 7.5 feet into inches
2 feet = 1 inche
7.5 feet =

So length of miniature couch for the dollhouse is 3.75 inch long