Marshall solved an equation using the process below. Use the multiplication property of equality twice, by first multiplying both sides of the equation by x and then dividing both sides by 3.25.

Which equation is the one Marshall solved?

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.