what is the capacity of the drum?? Sir/Mam sorry for disturbing but this is the last question of my math's holiday homework. please help me.
Attachments:
Answers
Answered by
1
Let the capacity of drum be a litres
According to question
3/4 of a - 30 = 7 / 12 of a
=> 3a/4 - 30 = 7a/12
=> 3a/4 - 7a/12 = 30
=> (9a - 7a)/ 12 = 30
=> 2a/12 = 30
=> a / 6 = 30
=> a = 180
Capacity of drum = 180 litres
According to question
3/4 of a - 30 = 7 / 12 of a
=> 3a/4 - 30 = 7a/12
=> 3a/4 - 7a/12 = 30
=> (9a - 7a)/ 12 = 30
=> 2a/12 = 30
=> a / 6 = 30
=> a = 180
Capacity of drum = 180 litres
Similar questions