I have a question on the same problem, when it says If X is a prime number, what is the value of X? 1) there is a total of 50 prime numbers between 2 and x, inclusive I thought this was insufficient as there are a bunch of prime number between 2 and 50? how could you know which one since it could be...

If x is a prime number, what is the value of x? (1) There are a total of 50 prime numbers between 2 and x, inclusive. (2) There is no integer n such that x is divisible by n and 1 < n < x. The answer is A / 1 only.... I thought this was insufficient as there are a bunch of prime number between...

Martin buys a pencil and notebook for 80 cents. At the same store, glorida buys a notebook and eraser for $1.20, and Zach buys a pencil and eraser for 70 cents. How much would it cost to buy 3notebooks, 3 erasers, and three pencils? I went about it like this P+N =80 or N = 80-P N+E= 120 or E = 120-N...

I did, thats the book answer. Thats why I am asking why the substitution method doesnt work

[Deleted because this question is from a banned source - see below.]

The correct answer is "A", as it... but isnt "much" used incorrectly as US voters are a countable items?