X+4y+x+y= 4x+y=180
simplify by adding like terms
2x+5y= 4x+y=180
Subtract y from each side
2x+4y=4x=180
Subtract 2x from each side
4y=2x=180
y=180/4=45
x=180/2=90
TQV is the supplementary angle
Is for number 1 number 2 is
Answer: D
Step-by-step explanation: for A the answer would be 80 but she spends more. For b & c i just worked out those so I was left with D. 50% of 800 is 400 and if you add up the cell phone and car payment you get 400
Hope this helps!
