The lowest number that both 15 and 25 go into is 75. 15 goes into 75 5 times, and 25 goes into 75 three times.
1, 3, 5, 15.
The highest common factor is 15
Their greatest common factor is 15
Five of them
The lowest number that both 15 and 25 go into is 75. 15 goes into 75 5 times, and 25 goes into 75 three times.
55 goes into 20, 4 times.5 goes into 75, 15 times.
1, 3, 5, 15.
The highest common factor is 15
Their greatest common factor is 15
15 goes into 75 five times
Five of them
3 x 25 = 75 15 x 5 = 75 1 x 75 = 75 5 x 15 = 75
15 is 75% of 20
A number minus 15% is 75 So 85% of the number is 75 then the original number is 75/0.85 = 88.23529 (to 5 dp).
5 and 15 go into 60 & 75.
1, 3, 5, 9, 15, 25, 45, 75, 225.