The second question please, can anyone solve this?
Attachments:
Answers
Answered by
1
a+b=50
a+2b=75
solving
a=25 and b=25.
lalitc2502:
Why did you take 2b in the second equation?
using formula. (a+c)/2=b; =>a=2b-c
Oh ok, thanks for the answer
welcome
Similar questions