Brainliest will be given. Sorry for asking so many questions but I really don’t understand this topic area but if anyone could help and give a valid explanation I will really appreciate it <3 . ( The problem is in the picture above thanks love)

16%

Step-by-step explanation:

First week- 200 stickers

Second week- 280 stickers

Third week- 168 stickers

40% of 200 = 80

40% of 280 = 112

200-168=32

32 is 16% of 200

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have