I reccomend that you add an image or better explain what you want us to do.
7b/12=4.2
7b=50.4
b=7.2
hope this helps
Answer:
144 people were originally at the party.
Step-by-step explanation:
18 boys is one fifth of the second boys population, so the second population is 18x9 = 162. The original population would be 162-18, which equals 144.
401.22
Hope this helps!
May I have brainliest please? :D