Factored
-3(-178x+15g)
Simplified
534x-45g
He spent 270 dollars. First i multiplied 110*3 and got 330. Then i had to subtract 600-330. and got 270.
i hope this helps :)
Ratio and Proportion Method
Since both are at the same rate, then ratio and proportion can be applied here
If $40000 = $860
Then $55000 =55000x(860/40000)
=$1182.50
Therefore the taxes which would be on $55000 is $1182.50
6x-5y=0
4x-5y=-10 |*(-1)
6x-5y=0 |
-4x+5y=10| +
2x=10
x=5
6*5-5y=0
30-5y=0
30=5y
y =6