The answer is C: 3 books, 2.5 weeks.
The answer is B because they never pass through each other therefore it has infinite possibilities
Answer:
789
Step-by-step explanation:
9+10(78)
9+10*78
9+780
789
8$ If the sale is 75% then it would be 8$ because 2x4 is 8 and 3/4 of the is 2.