The high school leadership team is having a car wash. they charge $5.50 for large cars and $4.00 for small cars . they had a successful day, washed a total of 142 cars, and made $652.50. how many large cars and small cars did they wash?

56 large cars and 86 small cars.

Step-by-step explanation:

Let's call:

: the number of large cars.

: the number of small cars.

Then, you can set up the following system of equations:

You can use the Elimination Method:

- Multiply the first equation by -4.0

- Add both equations.

- Solve for l.

≈

Substitute into one of the original equations and solve for s:

step-by-step explanation: