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Need help problem solving--

A 500 space parking lot is packed with motorcycles and passenger cars, with only one vehicle in each space. How many motorcycles & cars r there if the total number of tires on the parked vehicles is 1650?

I think I have to do this in some kind of equation format, I am so confused.

  • Math -

    x = number of cars
    y = number of motorcycles
    4x = number of tires for cars
    2y = number of tires for motorcycles

    x + y = 500
    4x + 2y = 1650

    solve together

    you should get
    325 cars
    175 motorcycles

  • Math -

    Thanks helper:)

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