Question

How many numbers between 20 and 50 are both divisible by 3 and 9?​

Answer 1

3 numbers (27, 36, 45)

Explanation:

`9*3=27\\9*4=36\\9*5=45`
`27/3=9\\36/3=12\\45/3=15`

so, 27, 36, and 45 are the only numbers between 20 n 50 that are divisible by 3 and 9.