The mean of a set of 5 numbers is 7. a) What is the sum of the numbers? b) If the number 1 is added to the list, what is the new sum of the numbers? c) What is the mean of the new list of numbers? plz help if you answer I will make you brainiest.

the answer is $42.96

step-by-step explanation:

answer: 5 17/33 % (to the tenth)

step-by-step explanation:

he guessed: 34.5 pounds

actual weight is 32.7

there for he is off:

34.5 -32.7 = 1.8

32.7 is the 100%

1.8 represents %? of 32.7

therefore:

32.7   - 100%

1.8     -     x%

x= 1.8*100%/32.7% = 18*100%/327%

x=1800%/327%   = (5 165/327)%

to the tenth:

5 17/33 %