a number less than 130,ends in a 5 and is a multiple of a prime greater than 20 but less than 30

Question

the number is less than 130. ends in a 5. the number is a multiple of a prime that  is less then 30 but greater than 20

Answer 1

oenlee primes tween 20 & 30=23 & 29

5*23=115 so it end in 5

5*29=145 is >130

Answer 2

Iam greater than 30 and less than 40. The sum of my digits is less than 5. Who am i?

Answer 3

Iam less than 100. The sum of my digits is 4. Half of me is an odd number(.2). if you multiply me by 6,1 end in 8. if you multiply me by 4,1 end in 2(.3).Double my tens digits to get my ones and iam less than 50(.4)i am greater than 15 and less than 40. if you double me, i become a number that ends in 0.one fifth of me is equal to5.(5) i am greater than 30 and less than 40. The sum of my digits is less than 5.

Answer 4

Translate the English statement into a mathematical statement. Do not solve the equation. Nine less than a number y is three times y. Whats the mathematical statement?