Complete the double number to line show percentages of $20 money(dollars)

Can some one me, i’ve been asking for so long

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Wrote and expression for the difference of p and 4