Respuesta :
In order to arrive at the answer, take the total (251) and subract it by 148. J = 103
1. box in your j
2.draw a line in between 251 and 148
3.subtract 148 from 148 and cross it out
4. subtract 251-148
5. j=103
2.draw a line in between 251 and 148
3.subtract 148 from 148 and cross it out
4. subtract 251-148
5. j=103