If an adjective ends in an "o," you change it to an __"a"____ before adding the adverbial ending.
For example:
rapid<u>o</u> is an adjective ending in <u>o</u>, when you change it into an adverb you have; RAPID<em><u>A</u></em>MENTE
pausado changes into paus<u>a</u>mente
acelerado changes into acelerad<u>a</u>mente
lento changes into lent<u>a</u>mente
Que Popo es esto esto no tiene ninguna explicación
Answer: A que hora
Explanation: the answer is about time, so the most logic question is at what time he goes to home
