Answer:

Step-by-step explanation:
From the question we are told that:
Loudness function 
Sound of a person 
Number of persons talking 
Generally the Relative intensity for 20 people is mathematically given by
Relative intensity for

Relative intensity for

Generally the loudness for 20 people is mathematically given by




Therefore increase in loudness X is given as


Answer:
She earned $60
Step-by-step explanation:
Since she had 20 dollars remaining from may, she earned the rest of the money in june so:
80-20=60
Step-by-step explanation: You dumb b*** I loved you i loved you iloved you its true. I wanted to be you and do what you
Answer:
$84.58
Step-by-step explanation:
You would do 9.95 times 8.5 which gives you 84.575 which in money case you round to two decimal places you keep the 5 but 7 you round to 8 because "5 or more you add one more"
Hope this helps