70 - 5x
70 represents the number of people originally in line.
Every minute (x value), the number of people waiting in line decreases by 5.
Answer:
F is -5, 4
G is 0, 1
H is 0, 4
I hope this is right and if it is not then I'm sorry.
That is wrong i was taking a test the answer is going to be 40 square yards