Answer:
1 and 1/3
Step-by-step explanation:
1/3x4=1 and 1/3 cuz 1/3+1/3=2/3 and 2/3+2/3=4/3 and 4/3=1 and 1/3
For 80 guests you will need 80/10 = 8 times more than for 10 guests:
8*9.50 = $76
Refreshment for 80 guests costs $76.
You can use elimination to solve systems of equations with 3 equations. I know how to solve systems of equatons with 3 equations, but I use a different process, I don't know how to use the elimination method.
-4(n - 6) = 12
n - 6 = -12/4 divide both sides by -4
n - 6 = -3
n = -3 + 6 add both sides by 6
n = 3
hope that helps, God bless!
Answer:
Your coordinates would be:
(1,8) (1,5) (5,8)
Hope this helps!
