% increase is the absolute increase as a fraction of the original amount:
x/a = 100x/a %
When the population of a town rose from a million to a + x million, the per cent increase was
a. x/a %
b. 100a/x %
c. 100x/x-a %
d. x/a-x %
e. 100x/a %
please answer and explain
1 answer