Find the whole quantity if 30% of it is 420 m

What is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?

Tobias gold sells computers at the office center he's guaranteed a minimum salary of $1,959 per month plus 6.3% commission on total sales how much in total sales is he