Two ball are drawn in succession out of a box containing 2 red and 3 white balls. Find the probability that at least 1 ball was red, given that the first ball was
(A) Replaced before the second draw
(B) Not replaced before the second draw
Find the probability that at least 1 ball was red, given that the first ball was replaced before the second law

The skating rink rented 872 pairs of skates during april and may.why? : if the skating rink rented three times the pair of skates in april during may, they rented 654 skates. 218 x 3 = 654then, if they want to know how many they rented during both april and may, then you just add 654 (may) and 218 (april) to give you 872 pairs of skates for both months.654 + 218 = 872hope this !

Solution: x2+4x=276x=27,x=9/2answer: no