Asked by Amanda
I am a number between 30 and 60 . My ones digit is three less than my tens digit . I am a prime number . What number am I ?
Answers
Answered by
Ms. Sue
These are the prime numbers between 30 and 60
31, 37, 41, 43, 47, 53, 59
Which one of those meets the other criterion?
31, 37, 41, 43, 47, 53, 59
Which one of those meets the other criterion?
Answered by
henry2,
tens digit = X.
ones digit = x - 3.
10x + (x-3) = 11x - 3 = the number.
30 < 11x-3 < 60.
33 < 11x < 63,
3 < x < 5 8/11.
X = 4 or 5.
Let x = 4.
11x - 3 = 11*4 - 3 = 41 = the prime number between 30 and 60.
ones digit = x - 3.
10x + (x-3) = 11x - 3 = the number.
30 < 11x-3 < 60.
33 < 11x < 63,
3 < x < 5 8/11.
X = 4 or 5.
Let x = 4.
11x - 3 = 11*4 - 3 = 41 = the prime number between 30 and 60.
Answered by
Kaila
What is between 30 and is a prime number. The ones is three less than the tens. What number am I.