Explore Westonci.ca, the top Q&A platform where your questions are answered by professionals and enthusiasts alike. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

average of 5 numbers is 16 and four of the numbers are 12 14 16 and 18. find the fourth number​

Sagot :

Given:

average of five numbers is 16 and four of the number are 12 , 14, 16 and 18

To find:

the remaining number

Solution:

The given numbers are 12,14,16,18

Let the another number be X

Sum of five numbers = 12+14+16+18+X

=60+X

Average of five numbers =16

Average= Sum of observations/no.of

observations

=>16=(60+X)/5

=>(60+X)/5=16

=>60+X=5×16

=>60+X=80

=>X=80-60

=>X=20

Answer:

The fifth number is 20

Answer:

20

Step-by-step explanation:

let the number be x

Average=sum/number

16 = x+12+14+16+18/5

16=x+60/5

16×5 =x+60

80=x+60

80-60=x

x=20

✓ the fifth number is 20.

hope it helps.