Question

Errrrmmm what fan and medal

The mean weight of the packages Joan shipped was 2.5 pounds. If Joan mailed four packages and three of them had weights of 1.7, 3.2, and 2.8 pounds, then what did the other package weigh?



2.3

2.8

3.3

Answer 1

is mean all of them added ??

Answer 2

then divide by four

Answer 3

Mean = sum of data / count of data

2.5 = (1.7 + 3.2+2.8+x)/4
Solve for x

Answer 4

ok thanks for the help man

Answer 5

k i solved it and got 2.5

Answer 6

Try again...

Answer 7

when i plugged in 2.3 lol forgot to put that

Answer 8

4(2.5)-(1.7+3.2+2.8)=2.3

Answer 9

Okay, sounded like you meant 2.5 is the answer, which it is not.

Answer 10

lol yeh i meant to put 2.3 but i forgot......i had a brain fart XD