110.
297
Smallest multiple of 7 greater than 100 is 15 Largest multiple of 7 less than 1000 is 142 So number of multiples of 7 = 142 - 15 + 1 = 128
The last "x7" under 100 is 14 x 7, the last under 1000 is 142 x 7, so there are 128 in the range.
105add 7repeatuntil you reach 994
100 of them.
110.
297
128!
69342
There are 75 multiples of 12 between 100 and 1000.
Ten of them.
545
Smallest multiple of 7 greater than 100 is 15 Largest multiple of 7 less than 1000 is 142 So number of multiples of 7 = 142 - 15 + 1 = 128
The last "x7" under 100 is 14 x 7, the last under 1000 is 142 x 7, so there are 128 in the range.
There are 30 multiples of 30 between 100 and 999.
10 x 100 = 1000