Answer:
73.3%
Step-by-step explanation:
You want to know the percentage adopted when 4 of 15 were not adopted.
The percentage can be found by multiplying the fraction by 100%. The fraction of dogs adopted was 11 out of 15, or 11/15. The percentage is ...
11/15 × 100% ≈ 73.3%
About 73.3% of the dogs were adopted.