28 factors: 1,2,4,7,14,28
70 factors: 1,2,5,7,10,14,35,70
GCF : 14
If it is 5ft a minute then it must be 10ft every two minutes
The different combinations is 9, since we can't rearrange the two novels.
I did 3*3 which equals 9.
Bro that is easy just pau
