Khawla's walk-a-thon supporters have pledged 30 AED plus 7 AED for each kilometer she walks. Maysa's supporters have pledged 45 AED and 4 AED for
each kilometer she walks. After how many kilometers do Khawla and Maya raise
the same amount of money?

Fracisco's game involves 3 green, 2 yellow, 4 red, and 3 black marbles. if he randomly draws three marbles from the bag, without replacement, what is the probability that he will draw yellow, and then red, and then black? a)1/192 b)1/72 c)3/220 d)1/55