Question

Drew earns money washing cars for his neighbors on the weekends. Drew charges a set rate for each car he washes.
The points on the following coordinate plane show how much Drew charges for 2,5, and 8 cars.

How much does Drew charge for
4 cars?

Answer 1

I can’t answer if I can’t see the graph

Answer 2

Answer:

The answer is 30

I can't explain because the explanation is long