Answer:
I found x for you, right there.
about 32%
Step-by-step explanation:
16 tricycles
12 bicycles
If all were bicycles, there would be 28·2 = 56 wheels. Each additional wheel indicates the presence of a tricycle instead of a bicycle.
There are 72 -56 = 16 tricycles. The remaining 28-16 = 12 are bicycles.
