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.
Answer:
The variable in that expression is x
Answer:
They watched movies for 2 hours and 52 minutes.
Step-by-step explanation:

Answer:this is for part c I think?
Step-by-step explanation:
David walks 10 dogs, because if he earns a dollar for each dog he walked that means he walked 10 to earn 10 dollars. I’m not good with sentences so I’m sorry if you do not understand.