If y=14 and x=8 what is x when y=30

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

If johnny ate 5 cans of sugar, but in the kitchen they only had 3. what did johnny eat? (he found a secret stash btw.)

During each minute of a comedy show, carlin laughs 55 times. carlin watches 33 comedy shows every day, and each show is 40 minutes long. how many times does carlin laugh every day due to the comedy shows?