Answer :
so assuming 50=100% then
a hack is that 50 is a factor of 100 so
50 to 35= (50 times 2=100) to (35 times 2=70)
100 to 70
subtract to find difference or change
30% is the answer
a hack is that 50 is a factor of 100 so
50 to 35= (50 times 2=100) to (35 times 2=70)
100 to 70
subtract to find difference or change
30% is the answer
