Posted by Randy on Wednesday, December 5, 2012 at 8:32pm.
- There are less than 40 members of the Landowners Association. These memebers vote on various proposals. All the members were present at a meeting and all voted on each of two proposals. On the first proposal 4 times as many memebers voted yes to those who voted no, On the second proposal 6 times as many voted yse as voted no. How many members are there?
-Four students tried to find the sum of the first 21 positive prime numbers. Bob got 709, Ned got 711, Matt got 712, and Lee got 713. Who was correct?
-The stegosaurus was 30 feet in length, weighed about 3500 pounds and had a brain that weighed only 3 ounces. An adult human male weighing 175 pounds has a brain weighing about 3 pounds. The ratio brain-weight/total-weight of a human is about _______ times greater than that of a stegosaurus.
- Joe is reading a book that needed 795 digits to number the pages. If the book started on page 1, how many pages are there in the book Joe is reading?
- Algebra - Cassandra, Thursday, December 6, 2012 at 10:23pm
The second one:
The fourth one:
304= 3 digits
- Algebra - Randy, Friday, December 7, 2012 at 1:08am
I am confused, why did you not count the page one? Can you explain?
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