Answer:
The maximum number of sandwiches she can buy is 24.
Step-by-step explanation:
We can create a function to represent the cost of her team's lunch in function of the number of people in the team. We have:

Since she needs to stay on budget, the cost has to be less or equal to 170, therefore:

Since she can't buy 0.8 sandwiches, the maximum number of sandwiches she can buy is 24.
Answer is 1, my mobile is not good but
You swap x and y. for example, the first set is (0,1) so the inverse would be (1,0)
Answer:
arithmetric
Step-by-step explanation:
the difference is so simple