A recent article in the Oklahoma Daily suggested that marijuana is a gateway drug for harder drug use. The following fact – which we will take as accurate – was used to support their argument: 9 out of 10 "hard drug" users have previously used marijuana. Additionally, the newspaper also reported that 4 out of every 10 persons in the general population have admitted using marijuana and that 2 out of 10 persons in the general population have admitted using "harder" drugs. You now find out that one of your children has used marijuana. What is the probability of your child subsequently using some "hard drug" based on the information presented above?

Therefore, the probability is P=0.072.

Step-by-step explanation:

We know that  9 out of 10 "hard drug" users have previously used marijuana.  Additionally, the newspaper also reported that 4 out of every 10 persons in the general population have admitted using marijuana and that 2 out of 10 persons in the general population have admitted using "harder" drugs. We calculate  the probability of your child subsequently using some "hard drug", and we get:

Therefore, the probability is P=0.072.

answer: there are x+184 pages in olivia's book.

step-by-step explanation:

let the total number of pages in the book which olive has already read be x.

then if olive has 184 pages left to read, then the total number of pages are in olive's book= pages she has read+pages she has left to read

therefore, the total number of pages in olivia's book=

hence, there are x+184 pages in olivia's book.

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation: