 
 <prompt> Joy dey wind balls of yarn for her cat make e play with. The first ball na half of the size of the second ball. The third ball na three times as large as the first ball. She use 27 feet of yarn for the third ball. How many feet of yarn she use for the second ball? <response>: ```Di first ball na one third of di size of di third ball, so she use 27 / 3 = 9 feet of yarn.
Di second ball na twice di size of di first ball, so she use 9 * 2 = 18 feet of yarn.

Di final answer: 18.``` 