Answer number 7 part A please. Thank you.

Answer:
6,300
Step-by-step explanation:
About 70% of the population will say yes, which is 6,300 out of 9,000
Answer:
6300
Step-by-step explanation:
70
___
100
said yes
there is 9000
change 100 to 9000
that x90
70x 90=6300