What 2.484848... as a mixed number in simplest form

Assume that a population of 50 individuals has the following numbers of genotypes for a gene with two alleles, b and b: bb = 30, bb = 10, and bb = 10. calculate the frequencies of the two alleles in the population’s gene pool.

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

X+ y = 5 ; x - y =3 solve using linear combination