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const2013 [10]
3 years ago
9

In a shop, there are 25 bicycles and tricycles. there are 63 wheels in all.find the numbers of bicycles and tricycles in the sho

p.
Mathematics
1 answer:
AnnZ [28]3 years ago
5 0

<span>let x be  number of bicycles
 and y the number of</span> tricycles<span>
So 

x + y = 25  equation 1

The number of wheels is
2x + 3y = 63  equation 2 



</span>We can multiply the  equation 1  by two and subtract from the second one...
2x + 3y = 63
-(2x + 2y = 50)
 then  

y = 13 trikes and 
x = 12 bikes
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