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The owner of a bike shop sells unicycles and bicycles and keeps inventory by counting seats and wheels. One day, she counts 21 seats and 30 wheels.

Which equation in slope-intercept form shows that x bicycles and y unicycles together have a total of 30 wheels?

A.y = 2x - 30
B.y = 2x + 30
C.y = -2x + 30
D.y = -2x - 30

Respuesta :

LeviKS
Well, since you have 21 seats and 30 wheels then you would take the two wheels on each bike 2(x) then subtract 30 wheels because she already counted those, I may be wrong and it might be add 30 wheels. But 2x is a given.

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