Answer:
7.5 feet
Explanation:
If we look at the yellow line, it is 6 cm.
To find how many times 2cm goes into 6cm, we divide.
So, if we reproduce the shape for every 2 cm, we have to multiply the value by 3.
Since every 2 cm will be equal to 2.5 feet, we can multiply the values.
So Jackie should make the yellow line 7.5 feet long.
Hope this helped!