PLS HELP OMGGGG, ITS DUE TONIGHT AND PLS EXPLAIN!!! IM STUCK ON THIS ONE QUESTION, AND I NEED TO SHOW WORK. I WILL MARK BRAINEST, PLSSSSS

Answer:
154.3
Step-by-step explanation:
First off let’s calm down… next thing we are going to do is know that a ratio is also a fraction so 5:7 also equals 5/7. Then, all you need to do is multiply 5/7 by 216 to get about 154.3
:D