The average of four numbers 30.5. three of the numbers are 24.2, 14.5, 50.5 what is the fourth number?

32.8

Step-by-step explanation:

The average is calculated as

average =

let x be the fourth number, then

= 30.5 ( multiply both sides by 4 )

89.2 + x = 122 ( subtract 89.2 from both sides )

x = 32.8

Thus the fourth number is 32.8

stop using this to cheat on home work

step-by-step explanation:

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y=3n + 1

step-by-step explanation:

this is wrong because it says the second number is one less and i added one instead