First off, this is a huge part of my grade. Half of it is the problems, the other half is explaining how we did them. I think I did them all right, but I am not very good at math, so please help a fellow TFP'er out.
There are four problems:
1) Find the average of the first:
A) 999 counting numbers
B) 999 even natural numbers
C) 999 odd whole numbers
D) 999 numbers in the set (4, 8, 12, 16...)
My answers:
A) 500
B) 1000
C) 1000
D) 2000
This problem is the one I was really most unsure about. It seems to simple to be right.
Problem 2:
Jane has 16 coins consisting of nickles, dimes, and quarters. Fourteen of her coins are not nickles and all but seven of her coins are quarters. How much money does she have?
My answer:
2 Nickles
9 quarters
5 dimes.
Seemed a little to easy for that to be the answer...
Problem 3:
A long document is printed with each page numbered. Suppose the total number of digits used in numbered is 2901. (For example, a ten page book uses 11 digits. 1-9 each use 1 digit, and ten used 2). Find the number of pages.
My answer:
914
Problem 4:
Suppose the top of a rectangular box measures six inches by eight inches. Suppose that that box is twelve inches tall. Find the distance from one of the bottom corners of the box to the point of intersection of the diagonals of the top of the box. (Hint: try finding the distance from one corner of the top to intersection of the diagonals of the top first.)
My answer:
13 inches.
I am not really that great at math, and I very well may be wrong on all these problems. I'm an English major, and my math skills really are lacking.(No math for over 3 years will do that to you). So, I really appreciate the help that you guys can offer, this is a huge part of my grade!
