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A bicycle dealer just put together a shipment of two wheel bicycles, three wheel tricycles and four wheel bicycles (training bicycles). He used 95 seats and 250 wheels.His shipment contained 20 more bicycles than tricycles.How many more tricycles do the shipments contain than four wheel (training) bicycles?

A:15

B:18

C:25

D:30

 Jan 17, 2017

2+0 Answers

 #1
avatar+33653 
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Let b = number of 2 wheel bikes, t = 3 wheel trikes, f = 4 wheel bikes

 

b + t + f = 95

2b + 3t + 4f = 250

b = t + 20

 

You now have three independent equations in three unknowns.  Can you take it from here?

 Jan 17, 2017
 #2
avatar+12531 
+5

How many more tricycles do the shipments contain than four wheel (training) bicycles?

 

laugh

 Jan 17, 2017

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