Yes.
75: 25 x 3 = 75 15 x 5 = 75
5 into 85 = 17
5% of 85 = 85/100 x 5= 0.85 x 5= 4.25
6 out of 30 ie 20% or 0.2
To find out how many times 5 goes into 85, you can divide 85 by 5. Doing the calculation, (85 \div 5 = 17). Therefore, 5 goes into 85 a total of 17 times.
It is 30
315
They're all prime numbers, therefore it's one.
75: 25 x 3 = 75 15 x 5 = 75
210
12
It is: 90
It is 20
It is 42
Since 5 is a factor of 85, it is automatically the GCF.
5 into 85 = 17
5% of 85 = 85/100 x 5= 0.85 x 5= 4.25