ANSWER: x=4/9
correct me if im wrong
Answer:
150 lights
Step-by-step explanation:
2.5 times 6 equals 15 times 10 is 150 their are 150 lights
You can use elimination
x - y = 7
0.5x + y = 5
1.5x = 12
x = 8
Then plug in x into one of the original equations
8 - y = 7
y = 1
Solution is (8,1)
14370-1089= 13281
Ans: Amy scored 13281 points.
