85 vehicles with a total of 188 wheels registered for the bike/trike race. how many were bicycles and how many were tricycles give me the variable and the equation?

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Expert answered|lotus16|Points 182|

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Asked 5/26/2009 3:40:43 PM

Updated 7/1/2023 10:11:24 AM

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MichellDonovan

x = number of bicycles y = number of tricycles
x + y = 85 (1)
2x + 3y = 188 (2)
(1)*-2 = (3) -2x - 2y = -170 (3)
(2)+(3) = (4) y = 18 (4)
substitute y into 1st equation (1)
x + 18 = 85
x = 67
67 bikes, 18 tricycles

Added 7/1/2023 10:11:24 AM

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