Question

1. 120 books increased by 55%

Answer 1

i think its 186

Explanation:

Answer 2

186

Explanation:

When you write 55% you are basically writing a shortened version of

55

100

So the amount of increase is

55

100

of

120

. The mathematical equivalent of the word 'of' is multiply

So increase is:

55

%

of

120

→

55

100

×

120

=

66

So the new total is

120

+

66

=

186