Answer:

Step-by-step explanation:
Total length of yellow fabric = 3.5 yards
of the yellow fabric was made to make a chicken costume.
So, the fraction of the yellow fabric used to make toys for her 7 dogs is

The amount of fabric to make the 7 toys is

Assuming that equal amount of fabric was used for 1 toy for 7 of her dogs each.
The amount of fabric used for 1 dog's toy is

The amount of fabric used to make each banana is
.