What does mean mean
200. That is to say, 220 is 110% of 200.
20, 40, 60, 80, 100, 120, 140, 160, 180, 200, 220, . . .
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The multiples of 10 are very easy. They are any number that ends with 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 and ect.
The multiples of 10 between 100 and 200 are 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, and 200
200
100
110
It is: (200-110)/200 times 100 = 45% decrease
What does mean mean
There are 8 results: 110; 120; 130; 140; 150; 160; 170; 180.
40
80/200 x/100 % 8000%/200 x x 40% 40%
80% of 160 = 80/100160 8161 =128 Answer is 128
The mean is 184.
80% of 160 is 128. 160 is 80% of 200.