Please seriously give answer
Attachments:
Answers
Answered by
1
1.
(3a+b)/(a+b)=9/5
5(3a+b)=9(a+b)
15a+5b=9a+9b
15a-9a=9b-5b
6a=4b
a/b=4/6
a/b=2/3
a:b=2:3
(3a+b)/(a+b)=9/5
5(3a+b)=9(a+b)
15a+5b=9a+9b
15a-9a=9b-5b
6a=4b
a/b=4/6
a/b=2/3
a:b=2:3
Similar questions