How many multiples of 6 are greater than -25, but less than 25?
The multiples of 6 are 6 x 1, 6 x 2, 6 x 3, 6 x 4, ...
also: 6 x 0
and 6 x -1, 6 x -2, 6 x - 3, 6 x -4, ...
Calculate!
