Answer:
5.21666667
Step-by-step explanation:
yopu do the total bill divided by 3
65x10^5
Hello There!!
1)x+3y+−3y=9+−3y
x=−3y+9
2)−2x+y+−y=−4+−y
−2x/-2=−y−4/-2
x=1/2 y+2
hope this helps,have a great day!!
~Pinky~