"a group of students attend a math club. half of the students are boys and 4/9 of the boys have brown eyes. what fraction of the group are boys with brown eyes? "

o. k. the answer is down below
4/9×1/2=4/18=2/9 the boys' with brown eyes' are 2/9.

11 feet 6 inches and 8 feet 6 inches

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have