total cost of 2 computers and 3 TV set is 90000 .what is the total cost of 6 computer and 9 TV sets?
Answers
Answered by
0
270000 is the answer of your question
2x+3y=90000. (I)
6x+9y=?
Multiply equ 1 by 3
6x+9y=270000
2x+3y=90000. (I)
6x+9y=?
Multiply equ 1 by 3
6x+9y=270000
ravinder85:
wrong
what is the answer
i don't know
If you dont know the answer so how you can say that it was wrong
bcs it was not in the options
i also solved the same way as you have.
Answered by
1
Let the cost of computer be x
Let the cost of TV be y
2x+3y=90000
So:
6x+9y=3(2x+3y)
=3*90000
=270000
Hope it helps
==============================================
Similar questions