How many numbers between 100 and 300 are divisible by 7?

Explanation

1. 01

   The first multiple of 7 above 100 is $105 = 7 \times 15$.

2. 02

   The last multiple of 7 below 300 is $294 = 7 \times 42$.

3. 03

   Count = $42 - 15 + 1 = 28$.