The average weight of 21 boys was recorded as 64 kg. If the weight of the teacher was added, the average increased by 1 Kg. What was the teacher's weight?
(Please explain in steps)
Thankyou!
Answers
Answered by
3
Answer: 86 kg
step by step explanation:Here, n = 21, a = 64, b = 65
Weight of teacher = n (b - a) + b
= 21 (65 - 64) + 65 = 21 + 65 = 86 kg
HOPE IT HELPS PLZZ MARK ME BRAINLIEST
Answered by
2
Answer:
86 kg
Step-by-step explanation:
LET THE TEACHER'S WEIGHT BE x.
given that average weight of 21 boys was 64 kg.
total weight = 1344 kg
(1344 + x) / 22 = 65.
1344 + x = 65 * 22
1344 + x = 1430
x = 1430 - 1344
= 86 kg
MARK IT AS THE BRAINLIEST!
Similar questions