Answer:
They purchased 11 Packets
Step-by-step explanation:
C=11p + 30
Just add the displacement value to variable. If this value is positive, the graph will move to the right, otherwise it will shift to left.
Where: x=displacement value
If you notice any mistake in my English, please let me know, because I am not native.
Let x be Mark's dollars... x + 5 = Austin's dollars....Brainliest?....
I believe it’s 80 hope it helps