Answer: The answer would be 6.750
Step-by-step explanation:
3x+y=17
=> 3x=17-y
Again, x+3y=-1
=> 3y= -1-x
now, 3x+3y= (17-y)+(-1-x)
= 17-y-1-x
= 16-x-y
The cost of the car is $27,546
<h3>How to calculate the cost of the car ?</h3>
The sales tax is 7%
Jorge bought a ford mustang having a sales tax of $1,928.22
Therefore the cost of the car can be calculated as follows
7/100 = 0.07
1928.22/0/07
= 27,546
Hence the cost of the car is $27,546
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9×7=63
63÷2=31.5
31.5×4=126
7×7=49
126+49=175
175 is the answer
