You count 73 long-winged flies and 27 short-winged flies from a cross between two heterozygous parents. how many have short wings

the answer is b)3/8x+1

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.