Posted by damien on Wednesday, November 10, 2010 at 6:06am.
Please type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.
Lets say the number is AB
so A+B=10
we also know that A<B
and both A and B are prime
so possibilities for A and B are
1,2,3,5,7
if A<B then A can only be 1,2,3,or 5
the only pairs such that A+B=10
are 55, 37
of these two only 37 is a prime number
But check the logic!
1
gummy bear yaaaaa
Related Questions
math - i am a 4 digit number.my thousands didgit is 4 less than my tens digit.my...
4th grade - i am a 5 digit number my tens digit is the sum of my hundreds digit ...
5th grade math - i am a number greater than 40,000 and less than 60,000 my ones ...
math - my thousand digit is half my ones digit.my houndreds digit is odd and ...
math - My thousands digit is twice my hundreds digit. The sum of my tens and ...
Math - What is the number between 149000 and 150000 which has a tens digit that ...
Math - i am a 4 digit number between 3000 and 4000.My ones digit is twice my ...
math - i am a 2 digit number my ones digit is greater than than my tens digit my...
4th grade - I am a number between 75 and 150 My tens digit is three times my ...
Math - The mystery number's tens digit is less than the ones digit. The tens...
For Further Reading
