360
18 = 2 × 3 × 3 24 = 2 × 2 × 2 × 3 9 = 3 × 3 36 = 2 × 2 × 3 × 3 90 = 2 × 3 × 3 × 5
LCM(18, 24, 9, 36, 90)= 2 × 2 × 2 × 3 × 3 × 5= 360
If exactly $3.90 was spent on some 24 cent and some 18 cent stamps, how many of each are there?
Note: There is more than one answer
A number can be multiplied by multiple of nine i.e 9 18 27 36 45 ...
and the resulting number consist of only one digit.
Can you identify the number ?
A number can be multiplied by multiple of nine i.e 9 18 27 36 45 …