Given the word problem, we can deduce the following information:
1. Paul paid 1/4 of the motorcycle's price right away.
To find the percent Paul paid for the motorcycle, we convert 1/4 into percent. We must remember that 1/4 means 25%. We can also show this by solving it by long division:
Next, multiply 0.25 by 100%, so it would be 25%. Therefore, the answer is A. 25%.