The soccer team collected 800 dollars at a car wash fundraiser. They charged 5 point 0 0 dollars for small vehicles and 10 point 0 0 dollars for larger vehicles. The amount collected can be modeled by the equation 5 x plus 10 y is equal to 800 , where x represents the number of small vehicles and y represents the number of larger vehicles. If the number of larger vehicles washed was 50 , how many small vehicles were washed in total?
Substitute 50 for y, the number of larger vehicles, in the equation: 5x + 10(50) = 800. The larger vehicles brought in $500, leaving $300 for small vehicles. At $5 each, 300 ÷ 5 = 60 small vehicles, so the correct choice is B, 60.
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