1, 3, 5, 7, 9, 11 and just keep adding 2 until you get to 99.
108 is the multiple of 9 between 100 and 110
They are: 18 27 36 45 54 63 72 81 90 and 99
Let's see313233033435363738393So there are 11 numbers from 1-100 that have a 3.
The sum of 2 and 97 is 99.
No.
Any multiple of 2520.
20.
1to 100
1, 3, 5, 7, 9, 11 and just keep adding 2 until you get to 99.
108 is the multiple of 9 between 100 and 110
It is 11*9 = 99
They are: 18 27 36 45 54 63 72 81 90 and 99
The lowest common multiple of 4, 2, 9, 5 and 100 is 900. Since 4, 2 and 5 are factors of 100, you can ignore them. Then all you have to do is multiply 9 times 100.
Let's see313233033435363738393So there are 11 numbers from 1-100 that have a 3.
10, 36 and 900
To convert a fraction to a percentage multiple by 100: 9/25 = 9/25 x 100 % = 36 %