Answer:
y = (x-16)/7
Step-by-step explanation:
x - 7y = 16
~Subtract x to both sides
-7y = 16 - x
~Divide -7 to everything
y = (16-x)/7
Best of Luck!
B. they are directly proportional because she keeps taking 3 at a time to his 1 at a time.
You would get $15 in total because 5x3=15.