Anyone take this and know the right answer? i'll give brainliest and 20pts. to make 1 1/2 dozen muffins, a recipe uses 3 1/2 cups of flour. how many cups of flour are needed for every dozen muffins made? enter your answer in the box as a mixed number in simplest form.

Michele wanted to measure the height of her school’s flagpole. she placed a mirror on the ground 48 feet from a flagpole, then walked backwards until she was able to see the top of the pole in the mirror. her eyes were 5 feet above the ground and she was 12 feet from the mirror. using similar triangles, find the height of the flagpole to the nearest hundredth of a foot.