Then you will leave a tip of $9
because 0.18x50=9
X + 2y = 11
x - 2y = -1
---------------add
2x = 10
x = 10/2
x = 5
x + 2y = 11
5 + 2y = 11
2y = 11 - 5
2y = 6
y = 6/2
y = 3
solution is : (5,3)
9 servings of fruit salad can be made, you are welcome!
The answer is the first choice, one cm represented 5 m in the first scale, but now 1 cm represents 4 m in the second scale.
