math

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 %

1. 👍 0
2. 👎 0
3. 👁 122
1. % increase is the absolute increase as a fraction of the original amount:

x/a = 100x/a %

1. 👍 0
2. 👎 0

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