You're playing 7/11. What's the probability that you'll roll an 8 on the first roll, which sets your point, then roll an 8 on the second roll and win the game? (Reminder rolling an 8 means you roll a set of numbers that add up to 8)

A. 0.0193

B. 1

C. 0.0156

D. 0.0277

E. 0.1389

well if he bought them at 5 cedis each sold them at 7 cedis each then he would make a profit of 2 cedis of each book. if in total he made 150 cedis profit that means he sold 75 books. he lost 12 books at the start so that means he originally bought a total of 82 books.

step-by-step explanation:

12r - 8 - 12

you have to combine like terms. below i have bolded the like terms:

12r - 8 - 12

together it combines to:

12r - 20

hope this !