so percent means parts out of 100
so x%=x/100
22 out of 105 have green eyes
22/105
we want to find an equivilent fraction that has 100 in the bottom that is equal so 22/105
22/105=x/100
solve for x
multiply both sides by 100 to clear fraction
2200/105=x
simplify
20.95=x
round up
21
answe ris 21%
