probablity=desiredoutcomes/total possible
desired
hmm,
there are 50 numbers in the range from 1 to 50
half the numbers from 1 to 50 are divisiblle by 2
sothat leasves all the odd numbers
the odd multilules of 7 are, 7, 21, 35, 49
the odd mulitpules of 9 are 27, 45
there are 6 more tobe minused
25-6=19
19/50 is the proababltity o
which is 38%