a bike shop has bicycles and tricycles in stock. In total he has 21 items in stock with a total of 51 wheels. Can you tell
how many bicycles and tricycles he has?

Respuesta :

Answer:

21 bikes and 3 tricycles

Step-by-step explanation:

21 items

51 wheels

42 wheels=21 bikes

51-42=9

9/3=3 tricycles