Final answer:
To write an equation in standard form to relate the number of cars and vans or trucks the students must wash to raise $800, we can use the equation: 5c + 6.50v = 800.
Step-by-step explanation:
To write an equation in standard form to relate the number of cars and vans or trucks the students must wash to raise $800, we can use the following equation:
5c + 6.50v = 800
Where c represents the number of cars and v represents the number of vans or trucks.