On a annual basis, the money spent on lottery tickets is what percent of money spent to but food

Pls! does anybody know a shortcut for answering these types of questions in the future?

What does the sign of the slope tell you about a line?

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.