$20.95 - $17.50 = $3.45 simple math
Answer:
55 guests
Step-by-step explanation:
131 = 21 + (2x)
subtract 21 from both sides
110 = 2x
x = 55 guests
Answer:
2.007;2.07;2.09;2.714;2.741
Step-by-step explanation:
2.007 is the least and 2.741 is the greatest
Ok so lets say we have a system of equations:
y = x + 1
x + y = 5
All you would do is plug in what is equal to the variable so:
x + x + 1 = 5
Then you would just simplify and solve
2x + 1 = 5
-1 -1
_________
2x = 4
-- --
2 2
x=2