230 - 30% = 230 x (1 - (30/100)) = 230 x 0.7 = 161
20% of 230 = 0.2 x 230 = 46
1 x 230, 2 x 115, 5 x 46, 10 x 23, 23 x 10, 46 x 5, 115 x 2, 230 x 1
x/100 : 230%/2410 x = 9.54%
The prime factorization of 230 is:2 X 5 X 232 x 5 x 23
230 - 30% = 230 x (1 - (30/100)) = 230 x 0.7 = 161
230 115,2 23,5,2 2 x 5 x 23 = 230
2 x 5 x 23 = 230
consider the num to be "X" so (90/100)*x = 207 by transposing we get x=(207*100)/90 x=230
230 x 5 = 1150 230 ÷ 5 = 46
20% of 230 = 0.2 x 230 = 46
2 x 5 x 23 = 230
230 = 2 x 5 x 23
1 x 230, 2 x 115, 5 x 46, 10 x 23, 23 x 10, 46 x 5, 115 x 2, 230 x 1
1 x 230, 2 x 115, 5 x 46, 10 x 23, 23 x 10, 46 x 5, 115 x 2, 230 x 1
x/100 : 230%/2410 x = 9.54%
1 x 230, 2 x 115, 5 x 46, 10 x 23