Question

11). The average length of 4 pipes is 90 m. The lengths of 3 pipes are 87 m, 85 m
and 92 m respectively. What is the length of the fourth pipe?
man's
ATTOO​

Answer 1

Answer:

the lenght of 4th pipe is 96

Answer 2

Answer:

length of 4th pipe is 96m

Step-by-step explanation:

average = (sum of all quantities)/(Total number of quantity)

let the length of 4th pipe be x

90 = (87+85+92+x)/4

90*4 = 264+x

360-264 = x

x = 96m