Iwill upvote!
a bicyclist rides 14 miles in 112 minutes. if she continues at this speed, how long will it take her to travel 35 miles?
a) 43 minutes
b) 45 minutes
c) 280 minutes
d) 602 minutes

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?