The sophomore class holds a car wash to raise money. A local merchant donated all of the supplies. A wash cost $5 per car and $6:50 per van or truck. Write an equation in standard form to relate the number of cars and vans or trucks the students must wash to raise $800.

Question

Mathematics

Savanna Vang

15 December, 13:55

The sophomore class holds a car wash to raise money. A local merchant donated all of the supplies. A wash cost $5 per car and $6:50 per van or truck. Write an equation in standard form to relate the number of cars and vans or trucks the students must wash to raise $800.

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Answers (1)

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Parker Orr · Answer 1

10c + 13v = 1600

Step-by-step explanation:

Let c and v represent the numbers of cars and vans that must be washed. To raise exactly $800, the values of c and v must satisfy ...

5c + 6.5v = 800

To put this in standard form, we must make the second coefficient an integer. We can do that by multiplying by 2.

10c + 13v = 1600