I WILL MARK BRINLIEST 
 Harbor Bike Shop has 35 bicycles and tricycles with a total of 81 wheels. How many bicycles and how many tricycles are in the shop?
 a
 22 bikes and 11 tricycles
 b
 20 bikes and 7 tricycles
 c
 26 bikes and 13 tricycles
 d
 22 bikes and 13 tricycles
 e
 11 bikes and 22 tricycles
 f
 24 bikes and 11 tricycles