Answer:
4
Step-by-step explanation:
y=4x-3
slope=4
y=5
slope=0
If you spend $10 on dinner tax is $5 so $15. Then a 15% tip is $2.25 plus $15 is $17.25 spent all together. That leaves you with $2.75 left.
Why are you having us do your homework
80=x+3x
80=4x
20=x
There are 20 girls.
