Cevap :
Cevap:
[tex]100x. \frac{10}{100} = 10x \\ 100x - 10x = 90x 90x.10/100=9x
90x-9x=81x \\ 100x \frac{20}{100} = 20x \\ 100x - 20x = 80x \\ 81x - 80x = 2 \\x = 2 \\ 100x = 100.2=200
Cevap:
[tex]100x. \frac{10}{100} = 10x \\ 100x - 10x = 90x 90x.10/100=9x
90x-9x=81x \\ 100x \frac{20}{100} = 20x \\ 100x - 20x = 80x \\ 81x - 80x = 2 \\x = 2 \\ 100x = 100.2=200