- Please SOLVE q no.20 given in above image.
- Staep by step with explanation please
- Thanks
- Please SOLVE q no.20 given in above image.
- Staep by step with explanation please
- Thanks
Amarjeet , 6 Years ago
Grade 9
9 grade maths> Please SOLVE q no.20 given in above image...
1 Answers
Arun
Let Ravish's age be X and Arushi's be y..
Then According To the question
Case 1..
x-7=7(y-7)
x-7=7y-49
x-7y+42=0
Case 2..
X+3=3(y+3)
X+3=3y+9
X+3-3y-9=0
x-3y-6=0
Then According To the question
Case 1..
x-7=7(y-7)
x-7=7y-49
x-7y+42=0
Case 2..
X+3=3(y+3)
X+3=3y+9
X+3-3y-9=0
x-3y-6=0
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