SOLUTION: 36 boys in a class weigh 42 kg on an average . if their teacher is included, the average increase by 1.5 kg, find the teachers weigh
Algebra.Com
Question 987871: 36 boys in a class weigh 42 kg on an average . if their teacher is included, the average increase by 1.5 kg, find the teachers weigh
Answer by ssenin(1) (Show Source): You can put this solution on YOUR website!
x= all boys's weight
y= all boys and teacher weight
x/36 = 42
x = 1,512
y/37 = 43.5
y = 1,609.5
y-x = teacher's weight = 1,609.5-1,512 = 97.5
RELATED QUESTIONS
36 boys in a class weigh 42 kg on an average. If their teacher is included
The average... (answered by ikleyn)
360 boys in a class wiegh 42kg on an average . if their teacher is included,the average... (answered by josgarithmetic)
average weight of all students in a class is 43 kh. Four new sudents whose weights are 42 (answered by ikleyn)
financial;Kirti spent rs.281.90 on a total of 27 packets of australian yummy and healthy... (answered by KMST)
Average weight of a basketball team is 65 kg, the average decreases by 1kg when the... (answered by Boreal)
The average mass of 24 boys in a class is 35.5 kg and that of 15 girls is 29kg. A new boy (answered by ankor@dixie-net.com)
1. In a certain class, the average weight of girls is 10 kg less than the average weight... (answered by stanbon)
1.Due to the sharp increase in the prices of urban properties over the last five years,... (answered by greenestamps)
The average age of 29 boys in the class is 14 years. When the age of the class teacher is (answered by josgarithmetic)