Lydia and Claudia have the same number of charms in their collections. Lydia started with 6 charms and bought 3 more packs. Claudia started with 9 charms and bought 2 more packs. If each pack had x charms, which equation can be used to find x? A. x = (2 + 3) - (6 +9) B. x = 6 + 3 + 9 + 2 C. 6x + 3 = 9x + 2 D. 3x – 2x = 6 + 9 E. 3x + 6 = 2x + 9​

Aclothing store has just advertised at a bargain price, that a customer tries on a t-shirt is 0.40. a new range of t-shirts. the probability if a customer tries a t-shirt, the probability that they will buy it is 0.70 while if a customer does not try on a t-shirt, the probability that they will buy it is 0.15. a customer has just bought a t-shirt. find the probability that the customer did not try on the t- shirt.