The multiples of 10 that are less than 125 are 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, and 120.
72
80% less than 90 = 20% of 90 = 18
The multiples of 5 that are also multiples of 6 are multiples of their LCM. The LCM of 5 and 6 is 30, so the question becomes which multiples of 30 are less than 100? The solution is the numbers: 30, 60, 90
81, 84, 87.
The multiples of 10 that are less than 125 are 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, and 120.
72
81,84,87,90
Nine.
80% less than 90 = 20% of 90 = 18
81, 84 and 87. And 90 if you want to count that
There are 3 such numbers: 30, 60, 90.
81, 84, 87.
Multiples of 20 include 20, 40, 60, 80, 100, 120, and so on Multiples of 90 include 90, 180, 270, 360, 450, 540, 630, and so on. Common multiples of 20 and 90 include any multiple of 180.
The multiples of 5 that are also multiples of 6 are multiples of their LCM. The LCM of 5 and 6 is 30, so the question becomes which multiples of 30 are less than 100? The solution is the numbers: 30, 60, 90
81, 84, 87.
72 is 20% less than 90.