Final answer:
Julio should put 14 15-pound weights on the bar.
Step-by-step explanation:
To determine how many 15-pound weights Julio should put on the bar to have a total weight of 210 pounds, we need to divide 210 by 15.
- We divide 210 by 15:
210 ÷ 15 = 14
Julio should put 14 15-pound weights on the bar.