Answer:
Step-by-step explanation:
6x + 10y = 12
-20x - 10y = 30
-14x = 42
x = -3
4(-3) + 2y = -6
-12 + 2y = -6
2y = 6
y = 3
(-3, 3)
18 just add both of them money 15.50+12.50=28
Answer:
2.3 mph
Step-by-step explanation:
Answer: 150
Step-by-step explanation: you have to multiply 50 and 3 and the answer is 150