Discussion
Suppose you begin reading a book on page h and end on page k. If you read each page completely and the pages are numbered and read consecutively, then how many pages have you read?
*This question is included in Nova Math - Problem Set A: Substitution, question #5
| (A) | h + k |
| (B) | ... |
| (C) | ... |
| (D) | ... |
| (E) | ... |
| (F) | ... |
The solution is
Posted: 06/01/2015 02:28
I can't understand it!!
Posted: 06/01/2015 17:44
Jie Ma, if you read a book beginning from page 1 to 100, how many pages have you read? 100, right?
That is equal to (100-1) + 1, or k-h + 1.
That is equal to (100-1) + 1, or k-h + 1.